Circuit Breaker, 5SY4 Series, 0.3A, 4 Pole, 400V AC, 10kA at 400V AC, D Curve MPN:5SY44148
Circuit Breaker, 5SY4 Series, 0.3A, 4 Pole, 400V AC, 10kA at 400V AC, D Curve
Protect your industrial circuits with the Siemens 5SY4 Series Circuit Breaker, a reliable and efficient solution for 400V AC applications. This 4-pole circuit breaker features a 0.3A trip current, 10kA maximum short-circuit current, and a D Curve for optimal protection. With a thermal magnetic trip type and screw clamp terminal connections, it ensures safe and reliable operation. Suitable for use in industrial settings, this circuit breaker meets UL Type UL 1077 standards and can withstand 14 AWG to 4 AWG wire sizes. Its compact design and DIN rail mounting style make it easy to integrate into your existing systems.
Top product features:
- Protects against overcurrent conditions with a 0.3A trip point
- Provides 10kA short-circuit current interrupting capability at 400V AC
- Features a thermal magnetic trip type for reliable protection
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- Terminal Connection Screw Clamp
IEC Supplementary Protector, Amps 0.3 A, AC Voltage Rating 400V AC, Max. AIR Rating 10kA at 400V AC, Series 5SY4, Curve Type D, 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 April 29, 2026 2:14am UTC
Category: Circuit Protection