Cutler-Hammer WMS3C40 3-Pole Circuit Breaker, 480VAC 40Amp

The Cutler‑Hammer WMS3C40 is a compact 3‑pole miniature circuit breaker designed for industrial control panels and machinery protection, providing reliable overcurrent and short‑circuit protection for three‑phase AC systems up to 480 VAC. Manufacturer: Cutler‑Hammer (Eaton) Product Series: WMS Catalog Number: WMS3C40 Device Type: Miniature Circuit Breaker (MCB) Number of Poles: 3 Trip Curve: C curve Rated Current: 40 A Rated Voltage AC: Up to 480 VAC Rated Insulation Voltage (Ui): 500 VAC Rated Frequency: 50/60 Hz Breaking Capacity (UL 1077): 277/480 VAC: 5 kA Breaking Capacity (IEC 60898): 240/415 VAC: 10 kA Breaking Capacity (IEC 60947‑2): 240/415 VAC: 10 kA Standards Compliance: UL 1077, CSA C22.2, IEC 60898, IEC 60947‑2 Trip Mechanism: Thermal‑magnetic Protection Functions: Overload and short‑circuit Switching Function: Manual ON/OFF toggle Contact Position Indicator: Integrated mechanical indicator Mounting Type: DIN rail mount (35 mm) Terminal Type: Screw clamp terminals Conductor Size: Typical up to 16 mm² (application dependent) Housing Material: Flame‑retardant thermoplastic Housing Color: Light gray Operating Temperature: –25 to +55 °C Storage Temperature: –40 to +70 °C Ingress Protection: IP20 (front) Typical Applications: Motor feeders, control panels, industrial machinery, distribution boards Certifications Marked on Unit: UL, CSA, CE Country of Manufacture: United States Please review pictures carefully and let us know if you have any questions!