Siemens CQD340 40 Amp Molded Case Circuit Breaker – 3 Pole – 277/480 V – 14 kA@480 V – Feed-Thru – CQD Series

The Siemens CQD340 is a 40 Amp, 3-pole molded case circuit breaker from the Siemens CQD Series, Type CQD. It is rated for 277/480 V and provides a 14 kA interrupting capacity at 480 V. The breaker features thermal-magnetic protection with Long-Time and Instantaneous (LI) trip functions, feed-thru mounting, and line and load-side lug terminals.

Specifications

• Manufacturer: Siemens
• Brand: Siemens
• Product Type: Molded Case Circuit Breaker
• Series: CQD
• Type: CQD
• Catalog Number / MPN: CQD340
• Primary Rating: 40 Amp
• Poles / Configuration: 3 Pole
• Phase: 3 Phase
• Voltage: 277/480 V
• Interrupting Rating: 14 kA @ 480 V
• Interrupting Capacity: Standard
• Trip Type: Thermal-Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Ambient Temperature Rating: 40°C
• Connection / Mounting: Feed-Thru
• Terminals: Line & Load-Side Lug Terminals

Part Numbers & Identification

• Manufacturer: Siemens
• Brand: Siemens
• Catalog Number: CQD340
• Series: CQD
• Type: CQD
• Current Rating: 40 A
• Pole Count: 3 Pole
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
• Trip Functions: LI – Long-Time and Instantaneous
• Terminals: Line & Load-Side Lug Terminals
• UPC: 783643277786 

Compatibility

The Siemens CQD340 is designed for compatible Siemens CQD Series molded case circuit breaker applications. Verify the specific panelboard or switchboard, system voltage, mounting configuration, terminal requirements, and breaker compatibility before installation.

Returns are easy

You may return items within 10 days of delivery for a refund.

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