SIEMENS B390 Miniature Circuit Breaker, 90A, 240V AC, 3-Pole, BL Series
The Siemens B390 is a 90 A, 240V AC, 3-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It features a standard type and a maximum AIR rating of 10kA at 240V AC…
SKU 3G-OTH-722061
Also listed as: B 390 · B-390
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Siemens B390 is a 90 A, 240V AC, 3-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It features a standard type and a maximum AIR rating of 10kA at 240V AC, supporting three-phase applications.
Frequently Asked Questions
What is the Siemens B390 miniature circuit breaker used for?
The Siemens B390 is a 90 A, 240V AC, 3-pole miniature circuit breaker designed for bolt-on use in Siemens P1 Panelboards. It provides overcurrent protection for three-phase electrical systems in commercial and industrial applications, with a maximum AIR rating of 10kA at 240V AC.
What are the specifications of the Siemens B390 circuit breaker?
The Siemens B390 is a 90 A, 240V AC, 3-pole miniature circuit breaker from the BL Series. It has a standard type, a maximum AIR rating of 10kA at 240V AC, and is designed for bolt-on use with Siemens P1 Panelboards. It supports three-phase applications.
Where to buy the Siemens B390 circuit breaker worldwide?
3G Electric supplies the Siemens B390 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 90 A, 240V AC, 3-pole breaker from the BL Series.
How to install the Siemens B390 circuit breaker?
Install the Siemens B390 as a bolt-on breaker into a Siemens P1 Panelboard. Ensure the panel is de-energized, then align the breaker with the bus stabs and tighten the mounting screws to the manufacturer's torque specification. Always follow local electrical codes and use appropriate personal protective equipment.
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Common applications for SIEMENSSIEMENS Products
3G Electric supplies SIEMENS b series, bolt-on siemens miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
