Miniature Circuit Breaker, 5SJ4 Series, 4A, 2 Pole, 277/480V AC, 10kA, D Curve MPN:5SJ42048HG42
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In Stock
Free Shipping
In Stock
SKU
510-G7557891
Miniature Circuit Breaker, 5SJ4 Series, 4A, 2 Pole, 277/480V AC, 10kA, D Curve
Protect your commercial and industrial electrical systems with the Siemens 5SJ4 Series Miniature Circuit Breaker, designed for reliable operation in a wide range of applications. Rated for 4A and 2 poles, this compact breaker provides exceptional protection against overcurrents and short circuits, with a maximum air rating of 10kA. Suitable for use in commercial and industrial settings, it meets rigorous standards including CSA C22.2 and UL 489. With a thermal magnetic trip type and screw clamp terminal connections, this breaker offers efficient and safe operation. Ideal for use in a variety of applications, including lighting, HVAC, and power distribution systems.
Top product features:
- Trips on thermal and magnetic principles to provide reliable overload and short-circuit protection.
- Protects against overloads and short circuits with a maximum current rating of 4A.
- Provides a maximum short-circuit current rating of 10kA to safely interrupt electrical faults.
Top product applications:
- Commercial
- Industrial
- Residential
Miniature Circuit Breaker, Amps 4 A, Number of Poles 2, Curve Type D, AC Voltage Rating 277/480V AC, DC Voltage Rating 60V DC, Max. AIR Rating 10 kA, Terminal Connection Screw Clamp, Series 5SJ4, Trip Type Thermal Magnetic, Application Commercial, Industrial, Min. Wire Size 14 AWG, Max. Wire Size 4 AWG, Length 4.92 in, Width 1.57 in, Depth 3.3 in, Standards CSA C22.2 No. 5-02, EN60898, EN60947-2, UL 489 Listed
Additional Information
- Country of Origin: DE
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 5 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.90
- Package Width: 3.30
- Package Height: 1.60
- Package Weight: 0.75
Product info last updated on February 8, 2026 4:28am UTC
Category: Circuit Protection