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ABB REX521GHHGSH51G Industrial Safety Relay
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.
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Description
| 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 |
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