ABB THQL32100 - 100A, 3-Pole, Circuit Breaker

The ABB THQL32100 is a rugged 3-pole circuit breaker rated at 100 A, purpose-built for dependable overcurrent protection in industrial power distribution. Designed for panelboards, switchboards, and control panels, this device delivers reliable, balanced protection for all three phases in demanding environments.

Why the ABB THQL32100 stands out

• Three-phase protection in a compact package: The 3-Pole configuration ensures synchronized interruption across all phases, reducing the risk of unbalanced faults in motor loads and. heating issues in feeders.
• Thermal-magnetic trip mechanism: Combines precise overload protection with fast short-circuit interruption, helping minimize equipment damage and downtime.
• Industrial-grade reliability: Built to withstand the rigors of panelboards, switchboards, and motor control centers, delivering consistent performance in commercial, industrial, and OEM applications.
• Ease of integration: Designed to slot into standard distribution assemblies and be compatible with ABB’s distribution equipment, supporting straightforward installation and serviceability.

Ideal applications and use cases

• Protect three-phase feeders in industrial panelboards and switchboards, ensuring safe operation of pumps, fans, conveyors, and other motor-driven loads.
• Integrate into motor control centers (MCCs) and control panels where reliable overcurrent protection is essential for uptime and safety.
• Bridge OEM equipment design needs requiring robust, proven protection for 3-phase electrical systems.

Specifications at a glance

• 100 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Primary use: Panelboards, switchboards, and control panels
• Protection type: Overcurrent protection with thermal-magnetic trip

Installation and practical insights

Choose the ABB THQL32100 for installations where balanced three-phase protection is critical. Its 3-pole design helps maintain system symmetry during faults, protecting both conductors and connected equipment. When wiring, ensure alignment with compatible bus bars and enclosure provisions in standard distribution assemblies. Regular maintenance checks should focus on ensuring clean terminations and verifying that the device remains firmly seated in its mounting to preserve proper trip performance.

Who should consider the ABB THQL32100?

• Electrical engineers and panel builders designing or upgrading industrial distribution systems.
• Maintenance teams seeking dependable, long-life overcurrent protection for 3-phase equipment.
• OEM integrators incorporating reliable circuit protection into custom control panels and machinery.

For robust, dependable 3-phase protection in panelboards, switchboards, and control panels, the ABB THQL32100 delivers precise current handling, rapid fault interruption, and durable performance you can trust in demanding industrial environments.