ITE | HJ2B400 | Circuit Breaker | 400A | 2-Pole | 600V | Bolt-On

The ITE HJ2B400 Circuit Breaker is a rugged, bolt-on protection device engineered for demanding industrial environments. Rated at 400A and 600V, this 2-pole unit is designed for maintenance, retrofit, and replacement projects where exact specifications matter. With the part number HJ2B400 serving as the best reference for compatibility, it integrates smoothly into legacy panels that rely on ITE equipment.

Key Specifications

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V
• Mounting: Bolt-On

Why this ITE HJ2B400 stands out

• Secure bolt-on mounting: Provides a solid, vibration-resistant installation that stays put in challenging environments.
• Dual-pole protection: With two conductors simultaneously isolated, it offers reliable shutdown for both lines in a circuit, enhancing safety and control.
• Clear compatibility reference: The HJ2B400 part number is the most reliable indicator for matching legacy ITE panels and replacements.
• High-current capability: 400A rating makes it suitable for feeders and larger branch circuits common in industrial settings.
• Versatile voltage rating: 600V coverage supports a wide range of industrial applications and distribution schemes.

Ideal applications and use cases

• Maintenance work on existing ITE panel boards that originally used HJ2B400 breakers
• Retrofit projects where upgrading or repairing large feeders and mains is required
• Replacement in legacy equipment and OEM systems that specify a 400A, 2-pole, 600V bolt-on breaker
• Industrial facilities such as manufacturing floors, utility rooms, and equipment enclosures needing robust overcurrent protection

Fitment, safety, and practical guidance

Before ordering, verify that the match and ratings align with your panel labeling and service requirements. The HJ2B400 is the primary compatibility reference for this unit, so cross-check your panel schedule or manufacturer documentation to confirm a precise fit. For any installation, follow standard electrical safety practices and rely on a qualified electrician to ensure proper torque, secure mounting, and correct circuit protection coordination.

Care, handling, and best practices

• Store spares in a clean, dry environment to prevent corrosion and contamination.
• Handle with insulated tools and appropriate PPE during installation or replacement.
• Inspect for signs of wear or damage during routine maintenance and replace if any integrity concerns are found.
• Keep a note of the replacement part number and panel compatibility in your maintenance log for future service needs.