Eaton JD3070Y - 70 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton JD3070Y is a 70 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. Built for durable performance in residential, commercial, and light industrial environments, it provides robust protection against overcurrent and short circuits while standing up to demanding service conditions.

Key advantages

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, reducing movement that can lead to loose connections and nuisance trips in active electrical rooms.
• Thermal-magnetic trip unit combines thermal overload sensing with instantaneous magnetic protection for short circuits, ensuring stable, repeatable protection across a wide range of loads.
• OEM-compatible design by pairing with matching Eaton panelboards and loadcenters, ensuring precise fit, coordinated trip characteristics, and streamlined field replacements.
• Three-pole configuration provides reliable protection for three-phase circuits and multi-wire feeders common in commercial and light industrial applications.

Specifications at a glance

• Amperage rating: 70 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Applications: Branch circuit overcurrent and short-circuit protection
• Part: Eaton JD3070Y

Ideal uses and scenarios

• Panel upgrades in homes or small commercial spaces where a reliable 3-pole breaker is needed for multi-wire or three-phase feeders.
• New installations in distribution panels and subpanels that require a secure, vibration-tolerant connection.
• Light industrial setups where dependable protection reduces downtime and safeguards wiring and equipment during startup surges.

What makes this breaker stand out

Unlike basic plug-on options, the JD3070Y’s bolt-on construction minimizes connection movement and loosening over time, which translates to fewer intermittent trips and longer service intervals. The combination of a thermal-magnetic trip unit with a rugged mounting approach delivers precise protection for both everyday loads and fault conditions, helping facilities run smoothly with less maintenance.

Practical installation tips

• Pair this breaker with a compatible Eaton panelboard to ensure matched mechanical fit and predictable trip behavior.
• Confirm the panel’s bus configuration supports a 3-pole, bolt-on solution and aligns with conductor routing for clean, safe wiring.
• Follow manufacturer guidelines for mounting and electrical connections to maintain optimal performance and safety.

Designed for reliability in a variety of settings, the Eaton JD3070Y delivers steadfast branch circuit protection with a robust bolt-on design, making it an excellent choice for upgrading panels, protecting critical circuits, and supporting long-term electrical system resilience.