The 1757-FFLDC4 ALLEN-BRADLEY is a field-proven redundant power supply module engineered for mission-critical automation environments where power continuity is non-negotiable. This module delivers a stable 24V DC output with built-in redundancy logic, allowing two units to operate in parallel for seamless failover. It is ideal for use in ControlLogix systems, process control networks, and high-availability industrial applications. The 1757-FFLDC4 supports hot-swappable installation, meaning one unit can be replaced without powering down the system, ensuring maximum operational efficiency. With its rugged industrial design, this module withstands harsh conditions including temperature extremes, vibration, and electrical noise, making it a trusted choice for factories, refineries, and power plants worldwide.
| Parameter |
Specification |
| Model Number |
1757-FFLDC4 |
| Manufacturer |
Allen-Bradley (Rockwell Automation) |
| Product Type |
Redundant Power Supply Module |
| Input Voltage Range |
85–264V AC (universal), 47–63 Hz |
| Output Voltage |
24V DC ±1% |
| Output Current (per unit) |
10 A (continuous) |
| Total Output Power |
240 W (per unit, up to 480 W with redundancy) |
| Redundancy Mode |
1+1 parallel operation with automatic load sharing |
| Hot-Swap Support |
Yes – module can be replaced without system shutdown |
| Protection Features |
Overvoltage, overcurrent, short circuit, overtemperature |
| Operating Temperature |
-20°C to +60°C (storage -40°C to +85°C) |
| Relative Humidity |
5% to 95% non-condensing |
| Mounting |
DIN rail (standard 35 mm) |
| Dimensions (H x W x D) |
130 mm x 60 mm x 120 mm (approx.) |
| Weight |
0.8 kg (approx.) |
| LED Indicators |
Power OK, Fault, Redundancy status |
| Certifications |
CE, UL, cUL, RoHS compliant |
| Compatibility |
ControlLogix, CompactLogix, and other Allen-Bradley platforms |
| Warranty |
1 year (standard, extendable) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22