

Honeywell 51120841-101 DCS Module (Unik Series)
The Honeywell 51120841-101 is a module (unik series) for Honeywell platforms. Product Type: Single SPDT Control Relay / Safety Input Module | Contact Configuration: SPDT (Single Pole, Double Throw) | Control Voltage: 24V DC. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24 hours.
Technical Specifications
| 51120841-101 | is a multi-voltage Single SPDT Control Relay module used in industrial control, building automation, and safety systems. It belongs to Honeywell’s MR Series and supports high-integrity signal switching for critical applications. |
|---|---|
| Model Number | 51120841-101 |
| Product Type | Single SPDT Control Relay / Safety Input Module |
| Contact Configuration | SPDT (Single Pole, Double Throw) |
| Control Voltage | 24V DC |
| Coil Voltage | 24V DC |
| Contact Rating | 10A at 250V AC |
| Input Channels | 8 discrete inputs (for safety module variant) |
| Safety Integrity Level | SIL3 (IEC 61508 compliant) |
| Response Time | ≤10 ms |
| Mounting | DIN rail or panel |
| Dimensions | 13.5 cm × 7.1 cm × 2 cm |
| Weight | 0.2 kg to 1.07 kg (varies by variant) |
| Warranty | 12 months |
| Origin | USA |
| High Safety Integrity | SIL3 compliance ensures suitability for safety-critical industrial environments |
| Fast Switching | ≤10 ms response time for real-time control applications |
| Versatile Use | Supports both relay control and safety input monitoring depending on configuration |
| Compact Design | Space-efficient module for dense control cabinet layouts |
| Reliable Performance | Engineered for harsh conditions with robust electrical isolation and fault tolerance |
| Easy Integration | Compatible with Honeywell Experion and FSC systems |
| Manufacturer | Honeywell |
| Model / SKU | 51120841-101 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Genuine Honeywell — Tested, Not Just Inspected
Live-rack power-up, channel verification, 48-hour burn-in at 55C. Printed test report. Full traceability. 12-month warranty. Ships within 24 hours.
Compatible Parts — Same System
These modules share the same system family as the 51120841-101. Commonly ordered together for complete rack builds or spare parts kits.
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