Appleton EB1FB3W40 Explosionproof, Dust-Ignitionproof Circuit Breaker
Technical Specification
- Make: Appleton
- Model code: EB1FB3W40
- Series: Appleton™ EB Series Circuit Breakers and Enclosures (NEC)
- No. of Poles: 3
- Current rating: 40 A
Explosionproof, dust-ignitionproof Thermal magnetic circuit breaker provides over current and short circuit protection and safe disconnect Thermal time delay overload protection for service entrance, feeder or branch circuits used for lighting, heating, motors and equipment Suitable for use in indoor or outdoor classified locations Corrosion-resistant, non-sparking copperfree aluminum with two-coat epoxy finish Breaker handle has lock bracket that can be padlocked in ON or OFF position - accommodates up to three padlocks
Read more| Make | Appleton |
|---|---|
| Manufacturer | Emerson Electric Co. |
| Category | Wires, Cables, Conduits and Overcurrent Protection>Circuit Breakers and Fuses |
| Model code | EB1FB3W40 |
| Series | Appleton™ EB Series Circuit Breakers and Enclosures (NEC) |
| No. of Poles | 3 |
| Current rating | 40 A |
| Voltage | 600 V AC, 250 V DC |
| Standards | UL |
Product description
The Appleton EB1FB3W40 circuit breaker, part of the EB Series, is designed for robust performance in hazardous environments. Engineered for explosionproof and dust-ignitionproof applications, it is ideally suited for indoor and outdoor classified locations. The breaker complies with various NEC standards, including Class I, Division 1 and 2, and is NEMA rated for 3R and 4X environments, ensuring reliable protection in demanding conditions.
Key Features
- Thermal magnetic circuit breaker offers superior overcurrent and short circuit protection.
- Constructed from corrosion-resistant copper-free aluminum with a two-coat epoxy finish.
- Features stainless steel shafts and bushings for enhanced durability.
- Ample internal space makes wiring and accessory installation straightforward.
- Lockable breaker handle accommodates up to three padlocks for secure operation control.
- Precision milled mating surfaces ensure reliable sealing and protection.
- Standard tapped, plugged openings are available for optional drains and breathers.
Ideal Use Cases
The EB1FB3W40 is perfect for service entrances, feeder, or branch circuits, supporting lighting, heating, motors, and various equipment. Its rugged build and compliance with stringent NEC classifications make it the go-to solution for professionals needing dependable circuit protection in volatile environments.

