EH24040 | Square D EH Series 40A 2-Pole Molded Case Circuit Breaker, 480Y/277VAC
Schneider Electric · Circuit Breakers & Protection
Description The Square D EH24040 is a molded case circuit breaker designed to provide reliable overcurrent protection in commercial and industrial power distribution systems. This 2-pole breaker is rated at 40 amps and operates at 480Y/277VAC using a thermal magnetic trip unit for consistent fault protection. Featuring a plug-in mounting design, the EH24040 allows secure installation in compatible panelboards. Technical Specifications Condition New/Never Used Surplus Brand Square D Category Circuit Breaker Part Number EH24040 Subcategory Molded Case Circuit Breaker Series EH Series Frame Type EH Amperage Rating 40 A Voltage Rating 480Y/277 VAC Number of Poles 2 Phase Single Phase Trip Unit Type Thermal Magnetic Trip Functions Long-Time and Instantaneous Interrupt Rating 14 kA @ 480Y/277 VAC; 65 kA @ 120/240 VAC Mounting Type Plug-In Compatible Panelboard NEH Panelboard Wire Size Range AWG 14 to AWG 2 (Aluminum/Copper) Operating Temperature 40°C Certifications UL Listed, NETA Tested Weight 1 lb Information About EH24040 The EH24040 is a Square D EH Series molded case circuit breaker engineered for single-phase distribution applications. It incorporates a fixed thermal magnetic trip mechanism that provides long-time and instantaneous protection against overloads and short circuits. Designed for plug-in installation, this breaker is compatible with Square D NEH panelboards used in commercial and industrial facilities. Its UL listing and compliance with applicable testing standards ensure dependable performance in regulated electrical environments. Key Features: 40 Amp Current Rating: Suitable for branch circuit protection in distribution systems 2-Pole Configuration: Provides coordinated protection for two conductors Thermal Magnetic Trip Unit: Ensures reliable long-time and instantaneous fault response High Interrupt Capability: Rated at 14kA at 480Y/277VAC and 65kA at 120/240VAC Plug-In Mounting: Enables quick installation and secure bus connection Wide Wire Compatibility: Accepts AWG 14 to AWG 2 aluminum or copper conductors Panelboard Compatibility: Designed for use with Square D NEH panelboards The EH24040 delivers the reliability and precision required for commercial and industrial power distribution protection.
Brand: Schneider Electric · Category: Circuit Breakers & Protection
Key features
- 40 Amp Current Rating: Suitable for branch circuit protection in distribution systems
- 2-Pole Configuration: Provides coordinated protection for two conductors
- Thermal Magnetic Trip Unit: Ensures reliable long-time and instantaneous fault response
- High Interrupt Capability: Rated at 14kA at 480Y/277VAC and 65kA at 120/240VAC
- Plug-In Mounting: Enables quick installation and secure bus connection
- Wide Wire Compatibility: Accepts AWG 14 to AWG 2 aluminum or copper conductors
- Panelboard Compatibility: Designed for use with Square D NEH panelboards
Specifications
| Manufacturer part number | EH24040 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Circuit Breaker |
| Part Number | EH24040 |
| Subcategory | Molded Case Circuit Breaker |
| Series | EH Series |
| Frame Type | EH |
| Amperage Rating | 40 A |
| Voltage Rating | 480Y/277 VAC |
| Number of Poles | 2 |
| Phase | Single Phase |
| Trip Unit Type | Thermal Magnetic |
| Trip Functions | Long-Time and Instantaneous |
| Interrupt Rating | 14 kA @ 480Y/277 VAC; 65 kA @ 120/240 VAC |
| Mounting Type | Plug-In |
| Compatible Panelboard | NEH Panelboard |
| Wire Size Range | AWG 14 to AWG 2 (Aluminum/Copper) |
| Operating Temperature | 40°C |
| Certifications | UL Listed, NETA Tested |
| Weight | 1 lb |
| Product type | Molded Case Circuit Breaker |
Contact Safety Shops for pricing, delivery and project support in the UAE.