M-Frame Circuit Breakers

Class 612 / Refer to Catalog 0612CT0101

PowerPact M-Frame Molded Case Circuit Breakers

M-Frame Circuit Breaker

M-Frame 800 A, Basic Electronic Trip System Type ET 1.0 [1] Factory-Sealed Trip Unit

Electronic Trip Unit

Sensor Rating

Interrupting Rating

Terminal Wire Range

(AWG/kcmil)

Type

Function

G

J

2P, 600 Vac 50/60 Hz

Basic

Fixed
Long-time,
Adjustable Instantaneous Trip

300 A

MGL26300

MJL26300

AL800M23K

(3) 3/0–500 Al/Cu

350 A

MGL26350

MJL26350

400 A

MGL26400

MJL26400

450 A

MGL26450

MJL26450

500 A

MGL26500

MJL26500

600 A

MGL26600

MJL26600

700 A

MGL26700

MJL26700

800 A

MGL26800

MJL26800

3P, 600 Vac 50/60 Hz

Basic

Fixed
Long-time,
Adjustable Instantaneous Trip

300 A

MGL36300

MJL36300

AL800M23K

(3) 3/0–500 Al/Cu

350 A

MGL36350

MJL36350

400 A

MGL36400

MJL36400

450 A

MGL36450

MJL36450

500 A

MGL36500

MJL36500

600 A

MGL36600

MJL36600

700 A

MGL36700

MJL36700

800 A

MGL36800

MJL36800

Termination Options

Termination Letter

Termination Option

A

I-Line (See Section 9)

F

No lugs

L

Lugs both ends

M

Lugs ON end, terminal nut kit OFF end

P

Lugs OFF end, terminal nut kit ON end

M G L 3 6 4 0 0   

For factory-installed termination, place termination letter in the third block of the circuit breaker catalog number.

Frame Interrupting Ratings

Voltage

Interrupting Rating

D

G

J

L

240 Vac

25 kA

65 kA

100 kA

125 kA

480 Vac

18 kA

35 kA

65 kA

100 kA

600 Vac

14 kA

18 kA

25 kA

50 kA

Accessories see PowerPact™ Circuit Breaker Accessories

Optional Lugs see Mechanical Lugs

Dimensions see Molded Case Circuit Breaker Dimensions

Enclosures see Enclosures

Footnotes

  1. The ET 1.0 trip unit cannot be field replaced or have the long-time trip point setting adjusted. It is considered an electronic equivalent of a thermal-magnetic circuit breaker.

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