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EHB14040 | Square D 1-Pole 40A 277V Thermal Magnetic Molded Case Circuit Breaker
- Regular price
- $639.00
- Sale price
- $639.00
- Regular price
-
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Product Description P/N: EHB14040
Description
The Square D EHB14040 Circuit Breaker is a 1-pole, thermal-magnetic molded case breaker designed for precise protection of electrical systems operating at 277 VAC. Rated at 40 amps with an interrupting capacity of 14kA at 277V, this unit ensures dependable circuit isolation and overload protection. Built with a bolt-on mounting design, it provides secure installation and consistent performance in commercial and industrial panelboards.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Circuit Breaker |
| Part Number | EHB14040 |
| Subcategory | Molded Case |
| Series | EHB Series |
| Type | Thermal Magnetic |
| Poles | 1 |
| Phase | 1 |
| Voltage Rating | 277 VAC |
| Current Rating | 40 A |
| Interrupting Capacity | 14kA @ 277V |
| Trip Function | LI - Long-Time and Instantaneous |
| Connection Type | Bolt-On |
| Frame Type | EH |
| Mounting Style | Bolt-On |
| Frequency | 50/60 Hz |
| Enclosure | Open (None) |
| Operating Temperature | 40 °C |
| Manufacturer | Square D / Schneider Electric |
| Weight | 2 lb |
Information About EHB14040
The EHB14040 is part of Square D’s EHB Series, known for its compact molded case design and reliable performance under demanding load conditions. It features a bolt-on connection style for firm, vibration-resistant mounting in electrical enclosures. Designed for single-phase, 1-pole operation, it employs thermal-magnetic trip technology that provides both overload and short-circuit protection. This circuit breaker is ideal for use in lighting panels, branch circuits, and general power distribution systems in commercial and industrial applications.
Key Features:
- Rated Current: 40 Amps – Ensures stable performance for medium-load electrical systems.
- Voltage Rating: 277 VAC – Suitable for commercial and industrial single-phase power networks.
- Interrupting Capacity: 14kA at 277V – Provides high fault-current protection to prevent equipment damage.
- Trip Function: LI (Long-Time & Instantaneous) – Offers both overload and short-circuit trip response.
- Protection Type: Thermal-Magnetic – Delivers accurate response to varying electrical faults.
- Mounting Type: Bolt-On – Enables secure and straightforward installation in panelboards.
- Construction: Molded Case – Compact, durable design for extended operational reliability.
- Operating Temperature: 40°C rated – Built to perform in standard electrical environments.
The EHB14040 delivers the reliability and precision required for dependable electrical protection in commercial and industrial installations.
Description
The Square D EHB14040 Circuit Breaker is a 1-pole, thermal-magnetic molded case breaker designed for precise protection of electrical systems operating at 277 VAC. Rated at 40 amps with an interrupting capacity of 14kA at 277V, this unit ensures dependable circuit isolation and overload protection. Built with a bolt-on mounting design, it provides secure installation and consistent performance in commercial and industrial panelboards.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Circuit Breaker |
| Part Number | EHB14040 |
| Subcategory | Molded Case |
| Series | EHB Series |
| Type | Thermal Magnetic |
| Poles | 1 |
| Phase | 1 |
| Voltage Rating | 277 VAC |
| Current Rating | 40 A |
| Interrupting Capacity | 14kA @ 277V |
| Trip Function | LI - Long-Time and Instantaneous |
| Connection Type | Bolt-On |
| Frame Type | EH |
| Mounting Style | Bolt-On |
| Frequency | 50/60 Hz |
| Enclosure | Open (None) |
| Operating Temperature | 40 °C |
| Manufacturer | Square D / Schneider Electric |
| Weight | 2 lb |
Information About EHB14040
The EHB14040 is part of Square D’s EHB Series, known for its compact molded case design and reliable performance under demanding load conditions. It features a bolt-on connection style for firm, vibration-resistant mounting in electrical enclosures. Designed for single-phase, 1-pole operation, it employs thermal-magnetic trip technology that provides both overload and short-circuit protection. This circuit breaker is ideal for use in lighting panels, branch circuits, and general power distribution systems in commercial and industrial applications.
Key Features:
- Rated Current: 40 Amps – Ensures stable performance for medium-load electrical systems.
- Voltage Rating: 277 VAC – Suitable for commercial and industrial single-phase power networks.
- Interrupting Capacity: 14kA at 277V – Provides high fault-current protection to prevent equipment damage.
- Trip Function: LI (Long-Time & Instantaneous) – Offers both overload and short-circuit trip response.
- Protection Type: Thermal-Magnetic – Delivers accurate response to varying electrical faults.
- Mounting Type: Bolt-On – Enables secure and straightforward installation in panelboards.
- Construction: Molded Case – Compact, durable design for extended operational reliability.
- Operating Temperature: 40°C rated – Built to perform in standard electrical environments.
The EHB14040 delivers the reliability and precision required for dependable electrical protection in commercial and industrial installations.
