Siemens B340HH 40-Amp 3-Pole 240-Volt 65KAIC Circuit Breaker

Overview

The Siemens B340HH is a 40-amp, 3-pole, 240-volt AC molded case circuit breaker designed for use in three-phase electrical systems. It provides reliable overcurrent protection and is suitable for use in Siemens panelboards and load centers.

Key Specifications

• Amperage Rating: 40 Amps

• Voltage Rating: 240 Volts AC

• Number of Poles: 3

• Interrupting Rating: 65 kAIC (kiloamperes interrupting capacity)

• Trip Type: Thermal Magnetic

• Mounting Type: Bolt-On

• Frequency Rating: 60 Hz

• Temperature Rating: 40°C (104°F)

• Wire Size Range: 8–6 AWG copper or 8–4 AWG aluminum

• Dimensions: 3" (L) x 3" (W) x 3" (H)

• Compliance: UL 489 Listed

Features & Benefits

• High Interrupting Capacity: With a 65 kAIC rating, the B340HH can safely interrupt high fault currents, providing enhanced protection for your electrical system.

• Thermal Magnetic Trip Mechanism: Combines thermal protection for overloads and magnetic protection for short circuits, ensuring comprehensive overcurrent protection.

• Bolt-On Mounting: Designed for secure attachment to Siemens panelboards, facilitating easy installation and maintenance.

• Versatile Wire Compatibility: Accommodates a wide range of wire sizes, offering flexibility in wiring configurations.

Applications

• Industrial Electrical Systems: Ideal for protecting motors, transformers, and other equipment in industrial settings.

• Commercial Buildings: Suitable for use in commercial electrical panels requiring reliable overcurrent protection.

• Panelboard Upgrades: Perfect for upgrading existing Siemens panelboards to meet higher current demands.