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Matched our existing hardware and fit as expected. Clean install.
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circuit-breaker
Siemens HE42B100 Circuit Breaker, 100A, 2-Pole, 480V
| Part Number | HE42B100 |
| Amperes | 100 |
| Poles | 2 |
| Voltage | 480 |
| Product Type | circuit-breaker |
Regular price
$460.00
Sale price
$460.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens HE42B100 Circuit Breaker, 100A, 2-Pole, 480V
Regular price
$460.00
Sale price
$460.00
Regular price
Unit price
Product description
Shipping
Meet the Siemens HE42B100 circuit breaker—a rugged, two-pole protective device designed for industrial electrical service, maintenance, and replacement projects. With a 100 A rating and 480 V compatibility, this breaker delivers reliable overcurrent protection for critical downstream circuits while ensuring safe, simultaneous disconnection of both hot conductors in fault conditions.
Why choose the HE42B100
The HE42B100 isn't just a switch. It's a purpose-built protection solution from Siemens crafted to withstand the demands of industrial environments. The 2-pole configuration simplifies panel layouts and provides clear, coordinated protection for 480V networks. By pairing the correct part number with your application requirements, you can minimize downtime and avoid compatibility headaches during outages or maintenance.
Key specifications
- Amperage: 100 A
- Poles: 2
- Voltage: 480 V
- Part Number: HE42B100
- Product Type: Circuit Breaker
- Applications: Industrial service, maintenance, and replacement projects
Ideal use cases
- Upgrading aging panels in manufacturing lines where 480V distribution is standard
- Replacing failed breakers in service entrances, switchgear, or motor control centers
- New installations requiring a reliable, two-pole 480V protection device with a 100 A rating
Compatibility and installation tips
To ensure a perfect fit, verify the part number HE42B100 against your panel or enclosure and confirm it matches your application requirements. If you’re unsure about compatibility, message us and we’ll assist with part-number validation and alignment with your electrical system’s needs. When installing, follow standard safety practices and local electrical codes, and ensure the device is suited for a 480V distribution environment.
Support and guidance
Need help matching a part number or confirming compatibility? Our team is ready to assist—send a note with your panel model, voltage, and the 100 A 2-pole requirement, and we’ll guide you to a confident purchase.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
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