Square D EJB36035 - 35 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Square D EJB36035 is a rugged 3-pole bolt-on molded case circuit breaker designed to safeguard your electrical system with dependable branch circuit overcurrent and short-circuit protection. Rated for 35A at up to 600V, it’s built to endure the demands of panelboards and load centers in residential, commercial, and light industrial environments.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, reducing arcing risk and maintaining consistent electrical contact even in equipment subject to movement or vibration.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit interruption for fast fault response.
• 3-pole design supports balanced protection across all phases, helping maintain system integrity in three-phase installations.
• 600V rating and 35A current capability make it suitable for commercial feeders and light industrial circuits while complying with common panelboard standards.
• OEM compatibility engineered to pair with matching Square D load centers and panelboards, ensuring seamless integration and reliable performance.

Specs at a glance

• Manufacturer: Square D
• Part number: EJB36035
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 35A
• Voltage rating: 600V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

What this means in real scenes

• Residential: Protect subpanels and multi-wire branch circuits where reliable, code-ready protection is essential.
• Commercial: Ideal for distribution panels and small-to-mid-size panelboards in offices, retail, or service environments where dependable fault protection matters.
• Light industrial: Suitable for equipment enclosures and control panels that experience occasional vibration or movement yet require solid, long-term protection.

Why choose this bolt-on solution

• Unlike plug-in breakers, a bolt-on design provides enhanced mechanical security in installations exposed to vibration, temperature fluctuations, or panel enclosure movement.
• The built-in thermal-magnetic protection delivers precise trip behavior across a wide fault current spectrum, giving you predictable protection without nuisance trips.
• With OEM compatibility, you can confidently upgrade or expand panels without compatibility concerns, maintaining electrical performance and electrical code compliance.

Practical tips and best practices

Install per the manufacturer’s instructions and local electrical codes. Ensure the mounting hardware and panelboard alignment are correct to maintain a solid bus connection. For ongoing reliability, perform routine visual inspections during panel servicing and verify there are no signs of overheating or loose connections in the surrounding enclosure.

Choose the Square D EJB36035 when you need a proven, high-integrity 3-pole protection device that combines secure mounting, reliable trip performance, and seamless compatibility with Square D panel systems. AmpState offers authentic, compatible components designed to keep your electrical infrastructure safe and performing at its best.