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Contactless Security, Reliable Protection

Safety Technology for Body, Hand and Finger Protection

Electro-sensitive protective equipment offers reliable solutions for machine safety and personal protection. Whether safety light curtains, safety light arrays or safety through-beam sensors, the innovative systems monitor hazardous areas and ensure maximum safety in automated production environments. Thanks to certified safety technology, robust construction and easy integration, the protective equipment for machines is ideally suited for a wide range of industrial applications and contributes to high system availability.

Your Advantages with wenglor Safety Technology

Overview of Electro-Sensitive Protective Equipment

Safety Light Curtains Basic

Protection of fingers or hands
Performance level e
Range of up to 14 m
Area monitoring
Safety operating mode, restart inhibit, contactor monitoring, range switchover

Safety Light Curtains

Protection of fingers or hands
Performance level e
Range of up to 20 m
Area monitoring
Safety operating mode, restart inhibit, contactor monitoring, beam coding, cascading, range switching, integrated muting, blanking, measuring functions, IO-Link

Safety Light Arrays

Detection of persons
Performance level e
Range of up to 50 m
Area monitoring
Safety operating mode, restart inhibit, contactor monitoring, beam coding, cascading, range switching, optional muting, IO-Link

Safety Through-Beam Sensors

Safeguarding of individual safety fields
Performance Level c
Range of up to 25 m
Selective query
Ideal for simple access control

Safety Light Curtains of the Basic Series – SEMG

Reliable Basic Solution for Standard Applications

The safety light curtains of the Basic series perform basic security tasks reliably and efficiently. Functions such as safety operating mode, restart inhibit and contactor monitoring are integrated as standard and can be conveniently configured by wiring.

Thanks to the compact design and flush installation without protrusion, the safety field extends over the entire housing length. This ensures reliable protection even in confined installation situations.

The Key Advantages at a Glance

Variety of Variants for Every Installation Situation

  • Finely graduated housing lengths for precise integration into different system concepts

  • PL e per EN ISO 13849-1 and SIL 3 per EN 61508

  • Safety field heights from 250 mm to 1,827 mm for the best possible protection

  • Optimal adaptation to narrow or complex installation situations

Versatile Safety Applications

  • Finger protection (14 mm) and hand protection (30 mm)

  • Ideal for retrofit, brownfield and greenfield applications with matching connectivity options

  • Quick and easy initial startup due to lean functionality

Connection Options

  • Fast and secure connection of emitter and receiver due to different number of pins (5 vs. 8 pins)

  • Tamper-proof configuration due to fixed wiring

  • Flush installation possible by selecting the cable variant

  • Ready for use immediately without additional settings

Dimensions and Robustness

  • Metal housing made of powder-coated aluminum

  • Polycarbonate optic cover

  • Degrees of protection: IP65 and IP67

  • Compact profile cross-section of only 28.5 × 34 mm

Safety Light Curtains of the Basic Series in Practice

Flexible Integration and Reliable Operation

  • Rugged housing for harsh environments and high shock and vibration resistance

  • Visible red light (LED, 630 nm) for marking the safety field

  • Automatic restart for reduced downtime

  • Wired configuration for fast initial startup and high protection against manipulation

Space-Saving Integration and Quick Deployment

  • Space-saving integration thanks to slim design format, flush mounting with cable variant

  • Combination of several light curtains prevents creeping under and stepping behind

  • Separate evaluation of the light curtains for improved process visibility

  • Reduced functionality for fast initial startup

Easy to Retrofit and Quick to Align

  • Easy retrofitting thanks to a large selection of holders, cables and relays

  • Flash modes and red light for easy alignment over long distances

  • Range setting via wiring for fast initial startup

  • ZEMX001 mounting bracket made of stainless steel included in the scope of delivery of each safety light curtain of the Basic series

Accessories for Even More Flexibility

Our matching accessories expand the application possibilities of the safety light curtains of the Basic series:

  • Protection columns increase the durability of the safety light curtains – especially under harsh ambient conditions. Thanks to the integrated spirit level and matching mounting brackets, they are easy to align.

  • With the help of deflection mirrors, even larger systems and protected zones can be secured cost-effectively and without additional cabling.

  • Emitter and receiver can be ordered as a set or individually and independently of each other. This reduces repair work and costs to a minimum.

  • Quick conversion of existing systems to the Basic series with the ZC7V003 adaptor cable and matching connection cables.

  • Flexible mounting options thanks to four different holders.

Product Overview

Note: The following table shows only the available sets. Clicking on the respective set takes you to the product page, on which the emitter and receiver are also linked individually.
Cable variants Plug variant Safety field height Range Performance level Safety integrity level Connection type emitter Connection type receiver
SEMG431 SEMG471 250 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG432 SEMG472 310 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG433 SEMG473 460 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG434 SEMG474 610 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG435 SEMG475 761 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG436 SEMG476 911 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG437 SEMG477 1,061 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG438 SEMG478 1,211 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG439 SEMG479 1,361 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG440 SEMG480 1,511 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG441 SEMG481 1,661 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEMG442 SEMG482 1,811 mm up to 6 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
​​​​​​

Cable variants
Plug variant
Safety field height
250 mm
310 mm
460 mm
610 mm
761 mm
911 mm
1,061 mm
1,211 mm
1,361 mm
1,511 mm
1,661 mm
1,811 mm
Range
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
up to 6 m
Performance level
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
Safety integrity level
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
Connection type emitter
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
Connection type receiver
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
​​​​​​

Cable variantsPlug variantSafety field heightRangePerformance levelSafety integrity levelConnection type emitterConnection type receiver
SEMG412SEMG452326 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG413SEMG453486 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG414SEMG454626 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG415SEMG455787 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG416SEMG456927 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG417SEMG4571,087 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG418SEMG4581,227 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG419SEMG4591,387 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG420SEMG4601,527 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG421SEMG4611,687 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEMG422SEMG4621,827 mmup to 14 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin

Safety Light Curtains – SEFG

For Applications with Flexible Safety Features

The safety light curtains from the SEFG series can be flexibly integrated into different systems thanks to their format and sophisticated mounting technology.

Comprehensive muting and blanking functions enable safe material transport into and out of hazardous areas and offer protection suitable for the application. 

Key Features at a Glance

Versatile Features for Flexible Security Solutions

  • Variants for finger (14 mm) and hand protection (30 mm)

  • PL e per EN ISO 13849-1 and SIL 3 per EN 61508

  • Quick and easy alignment thanks to visible red light and bar display

  • Extensive functional package with safety operating mode, restart inhibit (RES), contactor monitoring (EDM), beam coding, cascading, range switching, IO-Link, muting and blanking

  • Expanded temperature range of −30 to +55 °C

Rugged Design for Versatile Applications

  • Durable anodized aluminum metal housing and robust polycarbonate optic cover 

  • Degrees of protection IP65 and IP67

  • Long range up to 20 m

  • Safety field heights from 159 to 1,812 mm

  • Finely graduated sizes for application-specific protection

Convenient Operation and Efficient Initial Startup

  • Easy configuration and diagnosis with wTeach2 software

  • Versatile applications thanks to integrated measuring function

  • Quick transfer and duplication of settings via microSD memory card

  • 360° indicator light for reliable detection of operating status

Additional Functions and Suitable Areas of Application

  • Pre-assembled muting sets on robust aluminum bar profiles enable time- and cost-saving initial startup – ideal for logistics applications

  • Reliable detection of grid boxes, for example, through targeted preselection of suitable muting sensors

  • Cascading and blanking functions enable the reliable validation of complex and extensive machine concepts

  • Automatic restart for efficient processes in manufacturing

Typical Applications with Safety Light Curtains and Their Benefits

Reliable Protection for Demanding Applications

  • “Reduced resolution” mode of operation for special applications such as bending presses – without changing the performance level

  • Highly visible red light LED for clear identification of the danger zone

  • Robust housing for high shock and vibration resistance

  • Mounting bracket ZEFX001 made of plastic for installation on aluminum profiles is included in the scope of delivery

Flexible Safeguarding and Easy Process Control

  • Cascading for reliable protection of complex access points with reduced cabling effort

  • 360° indicator lights and side LED indicator stripes for optimal process control from a distance

  • Full range of functions with flexibly activating additional functions

  • Uniform range for a wide range of applications

Intelligent Initial Startup and Extended Process Data

  • IO-Link for easy integration, initial startup and diagnostics

  • wTeach2 software for quick alignment and configuration

  • Output of height information e.g. for volume calculation of parcels or pallets

  • 16-segment display for clear recognition of the receiver and convenient operation of the light curtain

Accessories for Even More Flexibility

Our matching accessories expand the application possibilities of the safety light curtains:

  • Matching protection columns increase the durability of the safety light curtains – especially under harsh ambient conditions. Thanks to the integrated spirit level and matching mounting brackets, they are easy to align.

  • With the help of deflection mirrors, even larger systems and protected zones can be secured cost-effectively and without additional cabling.

  • Emitter and receiver can be ordered individually and independently of each other. This reduces repair work and costs to a minimum.

  • Pre-assembled muting sets enable automated material transport through the safety field. The complete solutions on robust rod profiles reduce the time and cost requirements during initial start-up.

  • The choice of four different mountings enables optimal installation on a wide range of systems.

  • Retrofitting or switching to the SEFG series is possible using the appropriate ZC7V003 adaptor cable.

Product Overview

Note: The following table shows only the available sets. Clicking on the respective set takes you to the product page, on which the emitter and receiver are also linked individually.
Muting Muting and blanking Safety field height Range Performance level Safety integrity level Connection type emitter Connection type receiver
SEFG471 SEFG431 159 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG472 SEFG432 309 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG473 SEFG433 460 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG474 SEFG434 610 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG475 SEFG435 760 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG476 SEFG436 910 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG477 SEFG437 1,061 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG478 SEFG438 1,211 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG479 SEFG439 1,361 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG480 SEFG440 1,511 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG481 SEFG441 1,662 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin
SEFG482 SEFG442 1,812 mm up to 7 m PL e SIL 3 M12 × 1; 4/5-pin M12 × 1; 8-pin

Muting
Muting and blanking
Safety field height
159 mm
309 mm
460 mm
610 mm
760 mm
910 mm
1,061 mm
1,211 mm
1,361 mm
1,511 mm
1,662 mm
1,812 mm
Range
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
up to 7 m
Performance level
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
PL e
Safety integrity level
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
SIL 3
Connection type emitter
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
M12 × 1; 4/5-pin
Connection type receiver
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin
M12 × 1; 8-pin

Safety Light Arrays – SEFB

For Person Detection and Access Protection over Long Ranges

Safety light arrays from the SEFB series enable reliable body protection on machines and systems by safely monitoring access and hazardous areas.

The optional muting function allows automated material transport through the safety field without interrupting the production process unnecessarily. Thanks to their long range, robust design and easy integration, they are ideal for access protection in industrial applications and ensure maximum security.

Advantages at a Glance

  • Reliable body protection for maximum machine safety

  • Degrees of protection IP65 and IP67

  • PL e per EN ISO 13849-1 and SIL 3 per EN 61508

  • Flexible variants with two, three or four light beams

  • Extensive functional package with safety operating mode, restart inhibit (RES), contactor monitoring (EDM), beam coding, cascading, range switching, muting

  • IO-Link interface for convenient integration and transparent process data

Safety Light Arrays in Practice

Efficient Initial Start-Up

  • microSD card for fast transfer of device parameters

  • Segment-based evaluation for an optimal price-performance ratio

  • Visible single beams for easy alignment

  • Designed with highest vibration resistance for harsh industrial environments

  • Easy configuration and diagnosis with wTeach2 software

Reliable Protection under Demanding Conditions

  • Use in a wide temperature range from –30 to +55 °C 

  • Visible red light to signal the danger zone for employees
  • Expandable with LED indicator stripes for quick detection of machine stops

  • Up to 50 m range for securing large systems and areas

  • Cascading and deflection mirror for reduced wiring effort

Efficient Muting without Downtime

  • Safe transport of goods into and out of hazardous areas

  • Plug-and-play thanks to pre-assembled muting sets with matching sensors for reliable object detection

  • Integrated indicator lights for widely visible muting signals

  • Complete solution for quick and easy integration

Accessories for Even More Flexibility

Our matching accessories expand the application possibilities of the multi-beam safety light arrays:

  • Suitable protection columns increase the durability of the multi-beam safety light arrays – especially under harsh ambient conditions. Thanks to the integrated spirit level and matching mounting brackets, they are easy to align.

  • With the help of deflection mirrors, even larger systems and protected zones can be secured cost-effectively and without additional cabling.

  • Emitter and receiver can be ordered individually and independently of each other. This reduces repair work and costs to a minimum.

  • Pre-assembled muting sets enable automated material transport through the safety field. The complete solutions on robust rod profiles reduce the time and cost requirements during initial start-up.

  • The choice of four different mountings enables optimal installation on a wide range of systems.

  • Retrofits or a switch to the SEFB series can be made using the matching ZC7V003 adaptor cable.

Product Overview

Note: The following table shows only the available sets. Clicking on the respective set takes you to the product page, on which the emitter and receiver are also linked individually.

Basic functionMutingBeam distanceNumber of beamsRangePerformance levelSafety integrity levelConnection type emitterConnection type receiver
SEFB422SEFB412500 mm2Up to 50 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEFB423SEFB413400 mm3Up to 50 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin
SEFB424SEFB414300 mm4Up to 50 mPL eSIL 3M12 × 1; 4/5-pinM12 × 1; 8-pin

Safety Through-Beam Sensors – S1N

Reliable Security of Access Points and Plant Areas

The through-beam sensors in compact 1N format offer a reliable solution for securing access points and hazardous areas to machines and systems. An emitter and a receiver form a light barrier that continuously monitors the area. If the light beam is interrupted, the sensor reacts and ensures a safe machine stop.

Your Advantages at a Glance

Operating Principle and Areas of Application

  • Easy initial startup and quick alignment with visible red light at 660 nm

  • Economical and space-saving validation of demanding system geometries

  • Flexible application options for passages, transfers and feeding areas

  • Cascadability of up to four S1N pairs for flexible zone protection

Technical Data

  • High degree of protection (IP65/IP67) combined with an economical ABS housing

  • Certified according to EN ISO 13849-1 (PL c) in combination with a suitable analysis module, ESPE type 2 according to EN 61496 for defined safety requirements

  • Temperature range of –30 to +60 °C

  • Contactless operation for low-maintenance and wear-free operation

Application Possibilities for Safety Through-Beam Sensors

Easy Person Detection at Entrances

  • Smooth and at the same time safe material flow between warehouses thanks to the use of an S1N through-beam sensor

  • Visible red light signals access protection to the hazardous area and enables quick realignment of the light barrier during operation

  • Marked light exit point on the housing facilitates fine adjustment

Securing Narrow or Complex System Areas

  • Reliable monitoring of the danger zone on mobile sliding shelves – at low travel speed

  • The S1N through-beam sensor mounted below the shelves reliably detects when employees are in the danger zone

  • The compact 1N format enables easy integration of emitter and receiver as well as protection of compact system areas and narrow access areas

Accessories for Even More Flexibility

Our matching accessories expand the application possibilities of the safety through-beam sensors:

  • Emitter and receiver protected by robust Z1NS001 stainless steel housing.

  • Free optics even in dusty environments thanks to steel dust extraction tube.

  • Securing of larger systems and protected zones with Z2UG001 deflection mirror – without additional wiring effort.

  • Maximum installation flexibility thanks to seven mounting options for the S1N.

Product Overview

Compact 1N format
Status LEDs
Visible red light
M12 plug, 4-pin
PL c
Product Comparison