Omron Safeguarding Components

Omron offers a line of safety component switches, relays and sensors to fit your required safety countermeasures in equipment and facilities. They are used for shut-out detection of mechanical guards, checking intrusion into hazardous areas, and building safety circuits.

  • Emergency Stop Switches
  • Safety Door Switches
  • Safety Limit Switches
  • Safety PLC Controllers
  • Safety Relay
  • Light Curtains

Emergency Stop Switches

These switches are used to stop equipment and facilities in emergencies. They can be used in safety circuits in combination with Safety Relay Units.

A165E - Emergency Stop Switch (16-dia.)

Separate Construction with Smallest Class of Depth in the World

  • Direct opening mechanism to open contacts in emergencies, such as when they are welded.
  • Conforms to EN418.
  • Includes a safety lock to prevent misuse.
  • Features separate construction that allows the Switch to be separated for easier wiring and one-piece construction that allows easier handling.
  • Models available with 3 contacts built into a single block (A165E-U)

A22E - Emergency Stop Switch (22-dia./25-dia.)

Install in 22-dia. or 25-dia. Panel Cutout

  • Direct opening mechanism to open the circuit when the contact welds
  • Safety lock mechanism prevents operating errors.
  • Easy mounting and removal of Switch Blocks using a lever.
  • Mount three Switch Units in series to improve wiring efficiency (with non-lighted Switch Units, three Units can be mounted for multiple contacts).
  • Finger protection mechanism on Switch Unit provided as a standard feature.
  • Install using either round or forked crimp terminals.
  • Oil-resistant to IP65 (non-lighted models)/IP65 (lighted models)
  • A lock plate is provided as a standard feature to ensure that the control box and switch are not easily separated.

Safety Door Switches

Safety Door Switches detect when mechanical guards or covers are closed. They are available in models using either mechanical or non-contact detection, and operation with special keys or actuators is possible.

D4NS - Safety-door Switch

Multi-contact, Labor-saving, Environment-friendly, Next-generation Safety-door Switch

  • Lineup includes three contact models with 2NC/1NO and 3NC contact forms and MBB models in addition to the previous contact forms 1NC/1NO, and 2NC.
  • M12-connector models are available, saving on labor and simplifying replacement.
  • Standardized gold-clad contacts provide high contact reliability.
  • Applicable to both standard loads and microloads.
  • Variety of metallic heads available.

D4NL - Guard Lock Safety-door Switch

Best-selling Guard Lock Safety-door Switch Available in Several Compact, Multi-contact Models

  • Selectable Operation Key insertion direction and adjustable mounting ensure installation flexibility.
  • Built-in switches with multiple-contact construction are available.
  • Key holding force of 1,300 N minimum.
  • Can be used for either standard loads or microloads.
  • Lineup includes models with a conduit size of M20.
  • IP67 degree of protection.
  • Variety of Metallic Heads Available.

D4BS - Safety-door Switch

The Special Operation Key Activates a Direct Opening Mechanism to Open the Contacts and Shut Off Control Circuits when Protective Doors Are Opened on Machine Tools or Other Equipment

  • Conforms to EN (TÜV) standards corresponding to the CE marking.
  • Certified by UL and CSA standards.
  • The Switch contact is opened by a direct opening mechanism (NC contacts only) when the protective cover is opened. The EN-certified direct opening mechanism is indicated by on the Switch.
  • Malfunctions and false operation prevented by special Operation Key.
  • Wide temperature range specifications: -40 to 80°C.
  • Degree of protection of the switch box: IP67 (EN60947-5-1).

D4BL - Guard Lock Safety-door Switch

Release Protective Cover Locks Using Controller Signals or Pushbutton Switches after the Cutting Tool Stops Moving Due to Inertia

  • A mechanical lock is applied automatically when the Operation Key is inserted. A high level of safety is achieved using a mechanism where the lock is only released when voltage is applied to the solenoid.
  • Conforms to EN (TÜV) standards corresponding to the CE marking.
  • Certified by UL, CSA and CCC standards.
  • The Switch contact is opened by a direct opening mechanism (NC contacts only) when the protective cover is opened.
  • Auxiliary release key ensures easy maintenance and unlocks the door in the case of a power failure.
  • Tough aluminum die-cast body incorporating a switch box with degree of protection satisfying IP67, UL, and CSA TYPE6P, 13.
  • Equipped with a horizontal and vertical conduit opening.
  • Models incorporating easy-to-see indicators for monitoring and those using an adjustable Operation Key for a swinging door are available.
  • The mounting direction of the head can be changed to allow the Operation Key to be inserted from four directions.

D4GS-N - Slim Safety Door Switch

Slim Safety Door Switches with IP67 Rating

  • Slim design with a width of only 17 mm (three-contact models).
  • Reversible design allowing either front or rear mounting.
  • Built-in Switches with two- or three-terminal contact construction are available.
  • Operation Key with rubber mounting hole to absorb vibration and shock.
  • IP67 degree of protection.

D4JL - Guard Lock Safety-door Switch/Slide key

Holding Force of 3,000 N

  • Two safety circuits and two monitor contacts provide an array of monitoring patterns.
  • Standard gold-clad contacts enable use with ordinary loads and microloads.
  • Models with trapped keys prevent workers from being locked in hazardous work areas.
  • Models with rear release buttons allow people to unlock the Switch and escape if they are locked into hazardous areas.
  • IP67 degree of protection

Safety Limit Switches

Safety Limit Switches are limit switches equipped with direct opening mechanisms.

D4N - Safety Limit Switch

Popular Safety Limit Switches Providing a Full Lineup Conforming to International Standards

  • Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and 3NC contact forms. (Slow-action models with MBB contacts are available.)
  • M12-connector models are also available, saving on labor and simplifying replacement.
  • Standardized gold-clad contacts provide high contact reliability. Can be used with both standard loads and microloads.
  • Conforms to EN115, EN81-1, and EN81-2 (slow-action models only).
  • Certified standards: UL, EN (TÜV), and CCC

D4B-_N - Safety Limit Switch

Robust safety limit switch with metal housing Slow-action and snap-action contact with certified direct opening operation certification.

  • Direct opening mechanism (NC contacts only) added to enable opening contacts when faults occur, such as fused contacts.
  • Safety of lever settings ensured using a mechanism that engages a gear between the operating position indicator plate and the lever.
  • Equipped with a mechanism that indicates the applicable operating zone, as well as push-button switching to control left and right motion.
  • Head seal structure strengthened to improve seal properties (TÜV: IEC IP67, UL: NEMA 3, 4, 4X, 6P, and 13).
  • Wide standard operating temperature range:-40 to 80°C (standard type).
  • Certified standards: UL, CSA, EN (TÜV), and CCC.

Safety PLC Controllers

Safety Controllers form the core of the system when building safety circuits for equipment and facilities. Appropriate circuits can be configured to enable detecting input and output faults and to enable failsafe systems.

G9SP - Safety Controller

Easy programming for complex safety control

  • Configurable unit makes it ideal for building multiple stand-alone systems with the same specifications, or reconfiguring an existing set-up
  • Handles function blocks for non-contact switches, single-beam sensors and safety mat inputs
  • Faster and easier integration compared to hardwired systems
  • Single simple GUI for configuration, simulation, testing and validation
  • Greatly reduced set-up time
  • EN ISO 13849-1 ready (PLe/Safety category 4)

G9SX - Flexible Safety Unit

Logical and Function Adds Flexibility to I/O Expansion

  • Facilitates partial or complete control system setup.
  • Solid-state outputs (excluding Expansion Units).
  • Detailed LED indications enable easy diagnosis.
  • TÜV SÜD certification for compliance with IEC/EN61508 (SIL3), EN ISO13849-1 (PLe/Safety Category 4).
  • Approved by UL and CSA.

NE0A - Safety Network Controller

New Lineup for Safety Applications with Up to 12 Inputs

  • Circuits for the required safety category are easy to build.
  • The safety circuits you create can be registered as templates and reused, for easy standardization.
  • A wide range of TÜV-certified templates is also available.
  • The NE0A operating conditions can be monitored from a standard DeviceNet Master.
  • Network distribution is possible by combining with an NE1A Safety Controller.
  • ISO13849-1 (PLe) and IEC 61508 SIL3 certification.

NE1A - Safety Network Controller

Scalable safety for your growing demand

  • Removable cage-clamp terminals for easy installation
  • Predefined and certified function blocks for easy programming
  • LED display and status LEDs for advanced diagnostics
  • System status on DeviceNet for easy troubleshooting and predictive maintenance
  • Easy scalability through the addition of DeviceNet safety devices

NX - Safety Control Units

Integration of Safety into Machine Automation Enables Simple, Flexible System Configuration.

  • EN ISO13849-1 (PLe/Safety Category4), IEC 61508 (SIL3) certified.
  • One connection using Safety over EtherCAT (FSoE) protocol enables flexible configuration by mixing the Safety Units with standard NX I/O.
  • Now supports stand-alone operation with EtherNet/IP monitoring up to 256 I/O.

Safety Relays

Safety Relays are used to build safety circuits for equipment and facilities. Safety Relays have a forced guided mechanism that enables detecting contact welding.

G7S - Relays with Forcibly Guided Contacts

Compact, Slim Relays Conforming to EN Standards

  • Relays with forcibly guided contacts (EN50205 Class A, certified by VDE).
  • Supports the CE marking of machinery (Machinery Directive).
  • Helps avoid hazardous machine status when used as part of an interlocking circuit.
  • Four-pole and six-pole Relays are available.
  • The Relay's terminal arrangement simplifies PWB pattern design.
  • Reinforced insulation between inputs and outputs. Reinforced insulation between some poles of different polarity.

G9SX - Flexible Safety Unit

Logical AND Function Adds Flexibility to I/O Expansion

  • Facilitates partial or complete control system setup.
  • Solid-state outputs (excluding Expansion Units).
  • Detailed LED indications enable easy diagnosis.
  • TÜV SÜD certification for compliance with IEC/EN61508 (SIL3), EN ISO13849-1 (PLe/Safety Category 4).
  • Approved by UL and CSA.
  • New unit joins the Series with the following two additional features:
    • OFF-delay time of up to 150 seconds can be set.
    • Two logical AND connection inputs

Safety Light Curtains

F3SG-SR - Safety light curtain was developed to help overcome the challenges of globalization and flexible production

The F3SG-SR series safety light curtain is Omron's latest and most advanced light curtain designed to help customers reduce their light curtain installation and configuration time, giving them the ultimate flexibility in their machine safety designs and maximizing their machine uptime with enhanced diagnostic features.

  • Area beam indicator for at-a-glance beam status verification
  • Status indicators for monitoring information about equipment stoppages
  • Protective heights ranging from 160 mm to 2,480 mm
  • IP67G oil-proof rating and minimum operating temperature of -30°C