Circuit Breaker, 5SY4 Series, 45A, 2 Pole, 400V AC, 10kA at 400V AC, C Curve MPN:5SY42457
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In Stock
Free Shipping
In Stock
SKU
510-G8725963
Circuit Breaker, 5SY4 Series, 45A, 2 Pole, 400V AC, 10kA at 400V AC, C Curve
Protect your industrial equipment with the reliable 5SY4 Series Circuit Breaker from Siemens. This 2-pole, 45A, 400V AC circuit breaker features a thermal magnetic trip type and a maximum short-circuit current rating of 10kA at 400V AC. Easy to install on DIN rail, it's ideal for applications in industrial settings where high reliability and safety are crucial. With a compact design and robust construction, this circuit breaker provides reliable protection against electrical overloads and short circuits, ensuring the safe operation of your equipment and personnel. Perfect for use in a variety of industrial applications, including manufacturing and process control.
Top product features:
- Circuit Breaker Actuator Toggle
- Trip Type Thermal Magnetic
- Terminal Connection Screw Clamp
Top product applications:
- Industrial
- Thermal Magnetic
- Toggle
IEC Supplementary Protector, Amps 45 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 2, Phase 1, 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 8.5 in, Width 3.66 in, Depth 3.22 in
Additional Information
- Country of Origin: DE
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 38 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 8.50
- Package Width: 3.66
- Package Height: 3.22
- Package Weight: 0.01
Product info last updated on February 10, 2026 11:26am UTC
Category: Circuit Protection