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The Murr Elektronik 56681 MICO-Safety Relay Module is a DIN-rail mountable safety interface designed for Category 3/PLd safety circuits per ISO 13849. This compact (12.5mm width) solid-state device integrates dual-channel safety inputs and 3 semiconductor safety outputs (OSSDs) to monitor emergency stops, safety gates, or light curtains. Featuring galvanically isolated 24VDC operation (±25% tolerance) and IP20 protection, it withstands industrial noise/vibration while enabling SIL 2 safety integrity without PLC programming. The integrated diagnostic LEDs provide instant fault localization for wiring errors or device failures. Ideal for machinery requiring space-optimized safety solutions with ≤100ms response time compliance.
Critical safety parameters:
Space-constrained safety integration:
Innovative safety engineering:
Advanced monitoring logic:
Parameter | Specification |
---|---|
Product Type | M12 Female Socket (Receptacle), Field Wireable, L-Coding |
Model Number | 56681 |
Coding | L-Coding (High-Current Power) |
Contact Configuration | 4-Pin |
Gender | Female (Socket Contacts) |
Rated Voltage | 63 V DC / 30 V AC |
Rated Current | 16 A (per contact) |
Max. Power Transfer | 2,000 W (at 63V DC) |
Contact Resistance | ≤ 3 mΩ |
Insulation Resistance | ≥ 1,000 MΩ (500 V DC) |
Dielectric Strength | 1,500 V AC (1 min) |
IP Rating | IP68 / IP69K (when mated) |
Shielding | Full metal shell with integrated strain relief |
Housing Material | Nickel-plated brass (corrosion-resistant) |
Contact Material | Bronze (gold-plated, 2 μm thickness) |
Locking Mechanism | Screw-lock (M12×1) with anti-rotation collar |
Mating Cycles | ≥ 500 cycles |
Operating Temperature | -40°C to +105°C |
Cable Gland Range | Ø 6–10 mm |
Wire Gauge Compatibility | 0.5–2.5 mm² (AWG 20–14) |
Termination Method | Tool-free spring-cage connection |
Vibration Resistance | 10–2,000 Hz, 100 m/s² (IEC 60068-2-6) |
Shock Resistance | 500 m/s² (11 ms, IEC 60068-2-27) |
Agency Approvals | UL 61076-2-111, CE, RoHS, REACH |
Flammability Rating | UL94 V-0 |
Mounting Style | Panel mount (M12 nut lock) |
Panel Cutout Diameter | 12.5 mm |
Tightening Torque | 0.8–1.2 N·m |
Typical Applications | Servo drives, motors, heavy machinery, AGVs, high-power sensors |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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