B340 - Siemens 40 Amp 3 Pole 240V Bolt-On Molded Case Circuit Breaker BL Series

Product Overview

Siemens B340 is described as a bolt‑on molded‑case circuit breaker rated at 40 amps, configured as a 3‑pole unit for 240V systems.

This listing covers the single SKU B340. Request a quote for pricing and availability.

Key Features

• 40 ampere rating
• 3‑pole configuration
• 240 volt designation
• Bolt‑on molded‑case form (BL series)
• Manufacturer: Siemens

Function and basic use

The B340 is listed as a molded‑case circuit breaker intended to provide overcurrent protection in low‑voltage power distribution. As a 3‑pole unit it is presented for use where a three‑pole breaker rated at 40 A and 240 V is required.

• Provides overcurrent interruption across three poles
• Presented for three‑phase or three‑pole 240 V distribution applications requiring a 40 A breaker

Electrical rating and compatibility checks

The product listing specifies a 40 A ampere rating, 3 poles, and a 240 V designation. Verify these basic ratings against your system requirements and coordination needs before purchase.

• Ampere rating: 40 A (as listed)
• Poles: 3 (as listed)
• Voltage designation: 240 V (as listed)

Mounting and mechanical fit

The listing identifies the breaker as a bolt‑on molded case from the BL series. Bolt‑on breakers require panels or equipment that accept bolt‑on mounting; confirm the panel or enclosure accepts this mounting style prior to ordering.

• Mounting style: bolt‑on (BL series, molded case) — confirm panel compatibility

Ordering notes

This page covers the single SKU B340. The unit is listed in new condition. Pricing and availability are provided via quote—request a quote to proceed with ordering.

• SKU: B340
• Manufacturer: Siemens
• Condition: New
• Request a quote for pricing and availability

Before You Order

Confirm the model number, electrical ratings, and that your panel or equipment accepts bolt‑on (BL series) breakers before ordering.

• Verify system voltage and that a 3‑pole, 40 A breaker fits your protection scheme
• Confirm the panel or enclosure accepts bolt‑on mounting
• Request a quote for pricing and availability

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for B340 - Siemens 40 Amp 3 Pole 240V Bolt-On Molded Case Circuit Breaker BL Series. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.