ITE | HJ3B150 | Circuit Breaker | 150A | 3-Pole | 600V | 65kA | Bolt-On

Meet the ITE HJ3B150 circuit breaker — a bolt-on, three-pole protection solution built for reliability in demanding electrical panels. With a 150A rating, a 600V maximum, and a formidable 65kA interrupting capacity, this unit is designed to safely manage fault currents and protect downstream equipment in industrial and commercial settings. Ideal for maintenance, retrofit, and replacement projects, it provides a straightforward path to modernize existing panels without a full redesign.

Key specifications

• Amperage: 150A
• Pole configuration: 3-Pole
• Voltage rating: 600V
• Interrupting capacity: 65kA
• Mounting: Bolt-On
• Part number: HJ3B150
• Series: ITE

Why this ITE HJ3B150 stands out

• Bolt-On convenience for retrofits: The bolt-on design simplifies field installation and replacement, enabling quick upgrades to legacy panels without extensive rewiring.
• Robust protection for 3-phase systems: Three-pole configuration ensures synchronized shutoff across all phases, guarding motors, drives, and feeders from overloads and short circuits.
• High short-circuit capability: With a 65kA interrupting rating, it provides a strong safety margin for robust electrical distribution environments.
• Broad compatibility with 600V networks: Designed to operate reliably in commercial and light industrial applications where 600V equipment is standard.
• Part-number precision for compatibility: The HJ3B150 designation is the most reliable reference for matching existing panels and interchanges, reducing the risk of mismatches during replacement.

Ideal use cases

• Retrofit projects in older switchgear or control panels where a bolt-on, three-pole 150A breaker is required.
• Maintenance intervals or component swaps in 3-phase distribution systems that demand quick, secure replacement parts.
• New installations in industrial or commercial facilities that utilize 600V feeders and need solid protection for multi-phase circuits.

Practical considerations and installation tips

• Verify fit and ratings before ordering: The product notes emphasize confirming compatibility—use the part number HJ3B150 as your best reference when matching to your panel.
• Configuration alignment: Ensure your panel is designed for bolt-on mounting and that a 3-pole, 150A, 600V device suits the system requirements.
• Safety first: As with all electrical work, disconnect power, follow lockout/tagout procedures, and consult your panel manufacturer guidelines when installing or replacing breakers.
• Use cases beyond replacement: This unit can support upgrades to higher-capacity protection in panels that demand stronger fault current handling for evolving loads or motor loads.

Engineered for dependable protection, the ITE HJ3B150 delivers precise trip behavior, straightforward retrofit installation, and compatibility with 3-phase 600V systems. If your project requires a reliable, bolt-on 150A, 3-pole circuit breaker with a solid 65kA interrupting capacity, this model is a precise, proven choice. Remember to confirm fit and ratings before ordering—the part number remains the clearest reference for compatibility.