MQJ3150 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On

MQJ3150 is a rugged, industrial‑grade circuit breaker designed to deliver reliable protection for demanding electrical environments. With a 150A rating, a 3‑pole configuration, and 240V operating voltage, it safeguards three‑phase circuits typically found in manufacturing lines, heavy machinery, and commercial facilities. The bolt‑on mounting provides a secure, vibration‑resistant fit in control panels and enclosures, making installation straightforward and dependable.

Key specifications at a glance

• Amperage: 150A
• Poles: 3‑Pole
• Voltage: 240V
• Mounting: Bolt‑On
• Best use: maintenance, retrofit, and replacement where exact specs match

Why this breaker stands out

What sets the MQJ3150 apart is its precise spec compatibility combined with a robust, field‑ready design. It’s your best option when upgrading or repairing three‑phase installations that require a 150A, 3‑pole unit with a bolt‑on footprint. The part number MQJ3150 serves as the definitive reference for compatibility, helping you avoid mismatches during procurement.

Ideal use cases

• swap in where exact 150A, 3‑pole, 240V specs are required to restore protective function quickly during outages or routine service.
• modernize older panels or gear racks that were designed around MQJ3150‑class devices, ensuring seamless integration with existing wiring and enclosures.
• suitable for circuits feeding motors, compressors, and other heavy loads that demand reliable short‑circuit and overcurrent protection.

Installation and handling tips

• Confirm fitment and ratings before ordering using the MQJ3150 part number as the compatibility anchor.
• Mount the breaker with the bolt‑on hardware per enclosure guidelines to maintain secure contact and minimize vibration.
• Power down the system and verify proper wiring polarity and terminal tightness after installation.
• Follow site safety practices and local electrical codes when performing retrofits or replacements.

Choose the MQJ3150 when you need a precise, drop‑in solution for 150A, 3‑pole, 240V protection in industrial panels. Its bolt‑on design and clear compatibility reference help you achieve a reliable, long‑lasting installation that keeps critical systems protected and running smoothly.