Branch circuit protection

Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit protection must be provided in accordance with the National Electrical Code and any additional local codes (US) or Canadian Electrical Code, Part 1 (CA).

Standard fault current
For devices without connection box PZM2xA-0075-D02-.., or PZM2xA-0150-D03-..

Model

Frame
size

 

SCCR: 5 kA / 3 × 500 V

Non-semiconductor fuses
(currents are maximum, voltages minimum values)

Inverse time circuit breakers
(currents are maximum, voltages minimum values)

MPX22A-..-0125 ..(5.5 kW)

2E

50 A / 500 V

50 A / 500 V

MPX22A-..-0160.. (7.5 kW)

2E

60 A / 500 V

60 A / 500 V

MPX23A-..-0240.. (11.0 kW)

3

60 A / 500 V

60 A / 500 V

MPX23A-..-0320.. (15.0 kW)

3

60 A / 500 V

60 A / 500 V

For devices with connection box PZM2xA-0075-D02-.., or PZM2xA-0150-D03-..

Model

Frame
size

 

SCCR: 5 kA / 3 × 500 V

 

Non-semiconductor Class J fuses (currents are maximum, voltages minimum values)

MPX22A-..-0125.. (5.5 kW)

2E

40 A / 500 V

MPX22A-..-0160.. (7.5 kW)

2E

40 A / 500 V

MPX23A-..-0240.. (11.0 kW)

3

40 A / 500 V

MPX23A-..-0320.. (15.0 kW)

3

40 A / 500 V

Standard fault current for group installation
For devices with connection box PZM2xA-0075-D02-.., or PZM2xA-0150-D03-..

Model

Frame
size

 

SCCR: 5 kA / 3 × 500 V

 

Non-semiconductor fuses (currents are maximum, voltages minimum values)

Inverse time circuit breakers (currents are maximum, voltages minimum values)

MPX22A-..-0125.. (5.5 kW)

2E

60 A / 500 V

60 A / 500 V

MPX22A-..-0160.. (7.5 kW)

2E

60 A / 500 V

60 A / 500 V

MPX23A-..-0240.. (11.0 kW)

3

60 A / 500 V

60 A / 500 V

MPX23A-..-0320.. (15.0 kW)

3

60 A / 500 V

60 A / 500 V

For devices with connection box PZM2xA-0075-D02-.., or PZM2xA-0150-D03-..

Model

Frame
size

 

SCCR: 5 kA / 3 × 500 V

 

Non-semiconductor Class J fuses (currents are maximum, voltages minimum values)

MPX22A-..-0125.. (5.5 kW)

2E

40 A / 500 V

MPX22A-..-0160.. (7.5 kW)

2E

40 A / 500 V

MPX23A-..-0240.. (11.0 kW)

3

40 A / 500 V

MPX23A-..-0320.. (15.0 kW)

3

40 A / 500 V