Description
The Square D EHB24030 is a two-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection in commercial electrical distribution systems. Rated at 30 amps and operating at 277/480 VAC, this breaker uses thermal-magnetic trip technology for stable fault response. It features a bolt-on mounting design intended for secure installation in compatible panelboards.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Protection |
| Part Number |
EHB24030 |
| Subcategory |
Circuit Breakers |
| Series |
EHB |
| Product Type |
Molded Case Circuit Breaker |
| Frame Type |
EH |
| Rated Current |
30 A |
| Number of Poles |
2 |
| Phase |
Single Phase |
| Voltage Rating |
277/480 VAC |
| Protection Type |
Thermal-Magnetic |
| Interrupting Rating |
14 kAIC @ 277 V |
| Mounting Type |
Bolt-On |
| Functions |
Long-Time and Instantaneous (LI) |
| Ambient Temperature Rating |
40 °C |
| Application |
Power Distribution |
| Weight |
2.5 lb (approx.) |
Information About EHB24030
The EHB24030 is part of Square D’s EHB series within the EH frame family, engineered for compact branch circuit protection in low-voltage distribution equipment. This breaker incorporates a thermal-magnetic trip unit that delivers long-time overload protection combined with instantaneous short-circuit interruption. It is designed for single-phase applications and utilizes bolt-on mounting to ensure consistent electrical contact and mechanical stability. Built to meet UL and CSA standards, the device is suitable for controlled indoor commercial and light industrial environments.
Key Features:
- 30 Amp Current Rating: Provides accurate protection for branch circuits with moderate load requirements.
- Two-Pole Configuration: Designed for single-phase electrical system applications.
- 277/480 VAC Rating: Supports use in common commercial voltage systems.
- Thermal-Magnetic Protection: Combines overload and instantaneous fault protection.
- Bolt-On Mounting Design: Ensures secure attachment and reliable electrical connection.
- EH Frame Construction: Compact molded case design for space-efficient panel installations.
- UL and CSA Approved: Complies with recognized electrical safety standards.
The EHB24030 delivers the reliability and precision required for commercial power distribution protection.
