Brand: E-T-A Item: Circuit protector Series: REX Operating Voltage: 24 VDC Mounting: 35mm DIN rail Module Type: Mains supply Amperage Rating: 40A Circuit Breaker Type: Modular Circuit Type: Supplementary Current-Limiting: No HACR Rated: No Reverse Feed Capable: No E-T-A REX series modular circuit protector, mains supply, 40A, 24 VDC operating voltage, 35mm DIN rail mount.