Description
The Keyence OP-42372 is a replacement relay substrate designed for the SL-R11 and SL-R11G safety relay units. It serves as a critical internal component that manages relay switching and control signal transmission within Keyence safety light curtain systems. The OP-42372 ensures reliable operation and rapid relay response, maintaining the integrity of industrial safety systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Keyence |
| Category |
PLCs/Machine Control |
| Part Number |
OP-42372 |
| Subcategory |
PLC Module/Rack |
| Model Type |
Relay Replacement Board |
| Compatible Units |
SL-R11, SL-R11G |
| Function |
Replacement relay substrate for safety relay units |
| Terminals |
9-point screw terminal connection |
| Relay Type |
Electromechanical safety-rated relay |
| Rated Voltage |
24 VDC nominal (from base unit supply) |
| Contact Output |
Safety relay contacts (N.O./N.C. configuration) |
| Switching Capacity |
Up to 2 A at 30 VDC resistive load |
| Dielectric Strength |
1500 VAC for 1 min between input and output |
| Insulation Resistance |
100 MΩ minimum (500 VDC megger) |
| Ambient Operating Temperature |
0°C to +55°C (32°F to 131°F) |
| Storage Temperature |
−10°C to +60°C (14°F to 140°F) |
| Ambient Humidity |
35%–85% RH (non-condensing) |
| Mounting Method |
Internal plug-in board (to SL-R11/SL-R11G base) |
| Vibration Resistance |
10–55 Hz, 1.5 mm double amplitude, 2 h in each direction |
| Material |
FR4 epoxy resin PCB, gold-plated relay contacts |
| Weight |
Approx. 0.35 lbs (0.16 kg) |
Information About OP-42372
The OP-42372 is part of the Keyence SL-R Series of safety relay unit accessories. It functions as a relay replacement board for the SL-R11 and SL-R11G models, providing dependable contact output control for safety devices such as light curtains and interlock systems. The module’s 9-point terminal interface enables straightforward installation and maintenance. Built from high-quality PCB materials with precision relay circuitry, it ensures long-lasting durability and compatibility with Keyence’s safety controllers. This component is ideal for maintaining compliance with ISO and EN safety standards in machine control applications.
Key Features:
- Direct Replacement: Designed specifically for Keyence SL-R11 and SL-R11G safety relay units.
- Reliable Operation: Provides consistent relay actuation for safety signal switching.
- 9-Point Terminal Design: Simplifies wiring, connection, and field replacement.
- High-Quality PCB: Built from industrial-grade materials for durability and longevity.
- Precision Contacts: Ensures accurate safety relay performance under continuous operation.
- Compact Form Factor: Easily integrates within existing SL-R safety modules.
- Maintenance Friendly: Allows quick board exchange without altering system configuration.
- Safety Compliance: Supports SIL-rated and EN/ISO 13849-1 Category 4 safety architectures.
- Durable Construction: Resistant to vibration, heat, and electrical noise common in control panels.
The OP-42372 delivers the reliability and precision required for maintaining functional safety in automated control systems.
