EHB24030 | Square D EHB Series 30A 2-Pole 277/480V Bolt-On Circuit Breaker
Square D · Circuit Breakers & Protection
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.
Brand: Square D · Category: Circuit Breakers & Protection
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.
Specifications
| Manufacturer part number | EHB24030 |
|---|---|
| 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.) |
| Product type | Circuit Breakers |
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