The Square D EJB34070 is a dependable 3-pole molded case circuit breaker designed for reliable overcurrent protection in commercial and industrial power distribution systems. Rated at 70 amps and built for 480V applications, this breaker is part of Square D’s trusted EJB frame series, known for durability, performance consistency, and long service life.
At Circuit Breaker Guys, we specialize in hard-to-find and legacy breakers. Whether you're replacing a failed unit, completing a panel retrofit, or maintaining critical infrastructure, the EJB34070 provides the protection and compatibility you need.
Built for Industrial Reliability
The EJB34070 delivers thermal-magnetic protection, responding to both long-term overloads and instantaneous short circuits. This dual protection makes it ideal for:
Motor control panels
Distribution panels
Industrial machinery
Commercial electrical systems
OEM equipment
Square D’s molded case construction ensures durability under demanding load conditions, making it a go-to choice for maintenance managers and electrical contractors.
Direct Replacement Confidence
Replacing an existing EJB34070? This breaker is designed to match OEM specifications for proper fit and performance within compatible Square D panelboards and enclosures.
Before ordering, confirm:
Frame type compatibility (EJB frame)
Amp rating (70A required)
Voltage application (up to 480V)
Mounting configuration
If you're unsure, our team can verify compatibility quickly — we work with these breakers daily.
Specifications
Manufacturer: Square D
Part Number: EJB34070
Series: EJB
Amp Rating: 70 Amps
Poles: 3 Pole
Voltage Rating: Up to 480V AC
Protection Type: Thermal-Magnetic
Mounting Type: Molded Case
Application: Commercial & Industrial Distribution
Why Buy from Circuit Breaker Guys?
Breaker specialists
Fast nationwide shipping
Carefully inspected inventory
Competitive pricing
Knowledgeable support
Keep your system protected and your project moving. Order the Square D EJB34070 today.