Circuit Breaker, 5SY4 Series, 50A, 1+N Pole, 277V AC, 10kA at 230V AC, D Curve MPN:5SY45508
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In Stock
Free Shipping
In Stock
SKU
510-G8726557
Circuit Breaker, 5SY4 Series, 50A, 1+N Pole, 277V AC, 10kA at 230V AC, D Curve
Protect your industrial electrical systems with the Siemens 5SY4 Series 50A Circuit Breaker. This reliable IEC Supplementary Protector features a 1+N pole design and a 277V AC rating, making it ideal for a variety of industrial applications. With a maximum short-circuit current rating of 10kA at 230V AC, it provides superior protection against electrical faults. The D curve type and thermal magnetic trip ensure safe and efficient operation. Suitable for use in industrial settings, it meets UL Type UL 1077 standards and is compatible with DIN rail mounting. Easy to install and maintain, this circuit breaker is a reliable choice for industrial electrical systems.
Top product features:
- Protects against overcurrent conditions with a 50A rating
- Provides thermal and magnetic trip functionality
- Mounts on a DIN rail for easy installation
Top product applications:
- Industrial
- Circuit Breaker Actuator Toggle
- DIN Rail
IEC Supplementary Protector, Amps 50 A, AC Voltage Rating 277V AC, Max. AIR Rating 10kA at 230V AC, Series 5SY4, Curve Type D, DC Voltage Rating 72V DC, Number of Poles 1+N, 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 3.62 in, Width 1.57 in, Depth 3.3 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: 3.62
- Package Width: 1.57
- Package Height: 3.30
- Package Weight: 0.01
Product info last updated on February 10, 2026 2:26pm UTC
Category: Circuit Protection