Siemens 5SJ41456HG40 B-Curve 1-Pole UL489 Miniature Circuit Breaker
The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41456HG40, MPN 5SJ41456HG40) is a B-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 45 A. It carries a Max. AIR Rating of 14kA at 240V AC, with AC Voltage Rating of…
SKU 3G-OTH-21873
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41456HG40, MPN 5SJ41456HG40) is a B-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 45 A. It carries a Max. AIR Rating of 14kA at 240V AC, with AC Voltage Rating of 240V AC and DC Voltage Rating of 60V DC. The terminal connection is a Screw Clamp.
Frequently Asked Questions
What is the SIEMENS 5SJ41456HG40 miniature circuit breaker used for?
The SIEMENS 5SJ41456HG40 is a B-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker rated at 45 A. It protects branch circuits in industrial control panels, HVAC equipment, and machinery against overloads and short circuits, with a 14kA interrupting rating at 240V AC and 60V DC capability.
What are the specifications of the SIEMENS 5SJ41456HG40?
The SIEMENS 5SJ41456HG40 is a 45 A, 1-Pole B-Curve miniature circuit breaker with a Max. AIR Rating of 14kA at 240V AC. It has an AC Voltage Rating of 240V AC, a DC Voltage Rating of 60V DC, and a Screw Clamp terminal connection. It is UL489 listed for DIN rail mounting.
Where to buy the SIEMENS 5SJ41456HG40 worldwide?
3G Electric supplies the SIEMENS 5SJ41456HG40 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this 45 A, 1-Pole B-Curve unit.
How to install the SIEMENS 5SJ41456HG40 on a DIN rail?
To install the SIEMENS 5SJ41456HG40, snap the breaker onto a standard 35 mm DIN rail until the latch engages. Ensure the supply is de-energized, then connect wires to the Screw Clamp terminals using the specified torque. Verify the B-Curve trip characteristic matches your load type before energizing.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens b-curve, 1-pole ul489 din rail-mount miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
