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A
B| Style | Model | Amps | Phase Connection | Min. Wire Size | High Amp Trip Setting | Low Amp Trip Setting | Circuit Breaker Type | Frame Size | Number Of Poles | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | MJA36300 | 300A | ABC | 3/0 AWG | 3000A | 600A | Standard | M | 3 | £9,136.64 | |
| A | MJA36350 | 350A | ABC | 0.41 AWG | 3500A | 700A | Standard | M | 3 | £11,961.73 | |
| A | MJA36400 | 400A | ABC | 3/0 AWG | 4000A | 800A | Standard | M | 3 | £9,136.64 | |
| A | MJA36450 | 450A | ABC | 3/0 AWG | 4500A | 900A | Standard | M | 3 | £9,613.92 | |
| A | MJA36500 | 500A | CBA | 0.41 AWG | 5000A | 1000A | Standard | M | 3 | £9,136.64 | |
| A | MJA36600 | 600A | CBA | 3/0 AWG | 6000A | 1200A | Standard | M | 3 | £9,136.64 | |
| B | MJA36700 | 700A | ABC | 3/0 AWG | 7000A | 1400A | Standard | M | 3 | £9,613.92 | |
| A | MJA36800 | 800A | ABC | 0.41 AWG | 8000A | 1600A | Standard | M | 3 | £9,613.92 |
Square D MJA Series moulded case circuit breakers are used in commercial facilities, industrial plants, data centres and institutional buildings for reliable protection against overcurrents and short circuits in electrical systems. They have a -pole, 3-phase configuration with bolt-on terminal design for enhanced safety and secure connection. These standard circuit breakers feature an electronic trip for LSI (Long-time, Short-time and Instantaneous) trip functions. They offer current ratings ranging from 300A to 800A. These breaker units are further equipped with line and load side lug terminals to accommodate copper / aluminium wires of sizes ranging from 500 Kcmil to 3 AWG.