Circuit Breaker, 5SY4 Series, 63A, 4 Pole, 400V AC, 10kA at 400V AC, C Curve MPN:5SY44637
Circuit Breaker, 5SY4 Series, 63A, 4 Pole, 400V AC, 10kA at 400V AC, C Curve
Protect your industrial electrical systems with the reliable 5SY4 Series Circuit Breaker from Siemens. This 63A, 4-pole device offers superior protection against short circuits and overloads, with a maximum air rating of 10kA at 400V AC. Suitable for a wide range of applications, including industrial settings, this circuit breaker features a thermal-magnetic trip type and meets UL Type UL 1077 standards. Its compact design and DIN rail mounting style make it easy to integrate into existing systems, ensuring a safe and efficient electrical supply. Ideal for use in harsh environments, this circuit breaker provides peace of mind for industries that demand reliability and performance.
Top product features:
- 5-pole circuit breaker provides protection for industrial applications
- Toggles to control circuit breaker operation
- Protects against thermal and magnetic faults
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- Terminal Connection Screw Clamp
IEC Supplementary Protector, Amps 63 A, AC Voltage Rating 400V AC, Max. AIR Rating 10kA at 400V AC, Series 5SY4, Curve Type C, DC Voltage Rating 72V DC, Number of Poles 4, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style DIN Rail, Meets UL Type UL 1077, Terminal Connection Screw Clamp, Trip Type Thermal Magnetic, Application Industrial, Min. Wire Size 14 AWG, Max. Wire Size 4 AWG, Length 3.54 in, Width 2.77 in, Depth 3 in
Additional Information
- Country of Origin: DE
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 30 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.74
- Package Width: 2.95
- Package Height: 3.26
- Package Weight: 0.10
Product info last updated on February 13, 2026 7:31am UTC
Category: Circuit Protection