Thomas & Betts TB330 Circuit Breaker 3 Pole 240V 30 Amp

Description:

The Thomas & Betts TB330 Molded Case Circuit Breaker is used to provide branch circuit protection against overloads and short circuits in commercial and industrial electrical distribution systems. Commonly installed in distribution panels, switchboards, motor control centers, and industrial equipment, this three-pole thermal-magnetic circuit breaker is rated for 30 amps at 240 VAC and features a 10 kA interrupting capacity for dependable circuit protection. Electricians, maintenance technicians, and facility managers use this breaker for new installations, equipment upgrades, and replacement of existing TB series circuit breakers.

Applications:

The Thomas & Betts TB330 is designed to protect three-phase branch circuits, motors, HVAC equipment, industrial machinery, and commercial electrical distribution systems from overload and short-circuit conditions. Its thermal-magnetic trip mechanism makes it suitable for panelboards, switchboards, and OEM electrical equipment requiring reliable overcurrent protection.

Technical Specifications:

• Manufacturer Part Number (MPN): TB330
• Brand: Thomas & Betts (T&B)
• Product Type: Molded Case Circuit Breaker
• Series: TB
• Number of Poles: 3 Pole
• Amperage Rating: 30 A
• Voltage Rating: 240 VAC
• Interrupting Capacity: 10 kAIC @ 240 VAC
• Trip Type: Thermal-Magnetic
• Frequency: 50/60 Hz
• Mounting Type: Panelboard Mount
• Application: Branch Circuit Protection
• Protection Functions: Overload and Short-Circuit Protection
• Standards: UL 489 Listed (typical for this breaker class)
• Typical Applications: Commercial Buildings, Industrial Panels, Motor Control Centers, Distribution Equipment, HVAC Systems, Manufacturing Facilities

Common Replacements:

• Thomas & Betts TB340
• Thomas & Betts TB320
• Thomas & Betts TB350