$3,980.00 Original price was: $3,980.00.$1,688.00Current price is: $1,688.00.
The ABB REX521GHHGSH51G is a high-integrity safety relay of the REX series, designed for industrial safety circuits to monitor emergency stops (E-STOP), safety doors, and light curtains, ensuring compliance with SIL 3/IEC 61508 standards for hazard prevention.
| Parameter | Details |
|---|---|
| Model | ABB REX521GHHGSH51G |
| Manufacturer | ABB |
| Product Series | REX Safety Relay Series |
| Product Type | Industrial Safety Relay |
| Core Functions | E-STOP/ safety door/ light curtain monitoring; dual-channel safety input; manual/automatic reset; fault self-diagnosis |
| Safety Integrity Level | SIL 3 (compliant with IEC 61508); EN ISO 13849-1 Category 4, PL e |
| Input Channels | 2 safety inputs (24 V DC, dual-channel for redundancy); 1 reset input |
| Output Channels | 3 safety outputs (normally closed, 24 V DC); 1 auxiliary signal output |
| Rated Voltage | 24 V DC (input/output); 110-230 V AC (power supply, switchable) |
| Rated Output Current | 6 A per safety output; 2 A auxiliary output |
| Response Time | ≤ 10 ms (safety circuit shutdown) |
| Reset Method | Local manual reset; remote reset via auxiliary input (configurable) |
| Power Consumption | Typical 4 W; Maximum 6 W |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +85°C |
| Relative Humidity | 5% – 95% RH (non-condensing, no condensation) |
| Protection Rating | IP20 |
| Dimensions (W × H × D) | 22.5 mm × 105 mm × 120 mm (DIN rail width-compatible) |
| Weight | 0.22 kg |
| Mounting Type | 35 mm DIN rail-mounted (IEC 60715 standard) |
| Certifications | TÜV SÜD certified; CE, UL; IEC 61010-1 (safety of electrical equipment) |
| System Compatibility | ABB S200E E-STOP buttons, safety light curtains, machine control panels |
| Applications | Automotive assembly lines, robotics, packaging machinery, food processing equipment, heavy industrial machinery safety circuits |
AC 800M is a family of rail-mounted modules, consisting of CPUs, communication modules, power supply modules and various accessories. There are several CPU modules to choose from, ranging from single units with medium processing power and memory to fully redundant units with high processing power.

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