Square D ECB24030G3 Molded Case Circuit Breaker | 30A 2-Pole 480V Bolt-On
Square D ECB24030G3 Molded Case Circuit Breaker | 30A 2-Pole 480V Bolt-On
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Square D ECB24030G3 — 30A 2-Pole 480V Bolt-On Molded Case Circuit Breaker
The Square D ECB24030G3 is a heavy-duty thermal magnetic molded case circuit breaker (MCCB) engineered for reliable overcurrent and short-circuit protection in commercial and industrial power distribution systems. Manufactured by Schneider Electric under the Square D brand, the ECB24030G3 delivers the performance and durability demanded by electrical panels operating at higher voltages.
Key Specifications
- Part Number: ECB24030G3
- Brand: Square D (Schneider Electric)
- Type: Thermal Magnetic Molded Case Circuit Breaker (MCCB)
- Ampere Rating: 30A
- Number of Poles: 2
- Voltage Rating: 480V AC
- Interrupting Capacity: 14,000 AIC (14kAIC) @ 480V
- Connection Type: Bolt-On
- Trip Functions: Long-Time & Instantaneous
- Series: ECB (EDB Series Compatible)
What Is a Molded Case Circuit Breaker?
A molded case circuit breaker (MCCB) is an electrical protection device housed in a molded insulating enclosure. It automatically interrupts current flow when it detects an overload or short circuit, protecting wiring, equipment, and personnel from damage. MCCBs like the ECB24030G3 are ideal for commercial buildings, industrial facilities, and heavy-duty panel applications where standard residential breakers are insufficient.
Why Choose the Square D ECB24030G3?
The ECB24030G3 combines thermal and magnetic trip technology in a single, compact 2-pole design. The thermal element protects against sustained overloads by responding to heat buildup, while the magnetic element provides near-instantaneous response to high-level fault currents. This dual protection is critical in 480V environments where electrical faults carry greater destructive energy.
Its bolt-on connection type ensures a secure, vibration-resistant mechanical connection to the bus bar — a preferred method in industrial switchboards and load centers where reliability is non-negotiable.
Applications
- Commercial and industrial load centers
- Motor branch circuit protection
- HVAC equipment panels
- Switchboards and panelboards rated at 480V
- Manufacturing facilities and machine control centers
Condition
Available in New condition. Ships from our warehouse with same-day or next-business-day processing.
Alpha Brokers & Controls specializes in hard-to-find and in-stock electrical components. All products are verified before shipment.