Print Back
NOARK® Electric Molded Case Circuit Breakers Ex9M3 Series:
- UL 489 Listed, File Number E35539
- CSA Standards 22.2 No.5 File Number E355392
- 225A to 400A Ratings
- 600VAC, 600VDC Maximum
- 2 Pole, 3 Pole
  Interrupting Ratings:
  Ex9M3S Ex9M3N Ex9M3H
  65kAIC at 240VAC 100kAIC at 240VAC 150kAIC at 240VAC
  42kAIC at 480Vac 65kAIC at 480VAC 100kAIC at 480VAC
  18kAIC at 600VAC 25kAIC at 600VAC 30kAIC at 600VAC
Ex9M3S Series MCCB; Thermal-Magnetic Trip Unit (M3S225T3)
1 2 3 

Catalog Number

Rated Current

Number of Poles

IC Class

Interrupting Capacity

Termination Type

M3S225T2 N/A 225 A N/A 2 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S250T2 N/A 250 A N/A 2 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S300T2 N/A 300 A N/A 2 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S350T2 N/A 350 A N/A 2 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S400T2 N/A 400 A N/A 2 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S225T3 N/A 225 A N/A 3 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S250T3 N/A 250 A N/A 3 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S300T3 N/A 300 A N/A 3 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S350T3 N/A 350 A N/A 3 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3S400T3 N/A 400 A N/A 3 N/A S N/A 50kA at 600Vdc
65kA at 240Vac
42kA at 480Vac
18A at 600Vac
N/A Bus Bar Type
M3N225T2 N/A 225 A N/A 2 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N250T2 N/A 250 A N/A 2 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N300T2 N/A 300 A N/A 2 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N350T2 N/A 350 A N/A 2 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N400T2 N/A 400 A N/A 2 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N225T3 N/A 225 A N/A 3 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N250T3 N/A 250 A N/A 3 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N300T3 N/A 300 A N/A 3 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N350T3 N/A 350 A N/A 3 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3N400T3 N/A 400 A N/A 3 N/A N N/A 25kA at 600Vac
50kA at 600Vdc
100kA at 240Vac
65kA at 480Vac
N/A Bus Bar Type
M3H225T2 N/A 225 A N/A 2 N/A H N/A 150kA at 240Vac
100kA at 480Vac
30kA at 600Vac
65kA at 600Vdc
N/A Bus Bar Type
M3H250T2 N/A 250 A N/A 2 N/A H N/A 150kA at 240Vac
100kA at 480Vac
30kA at 600Vac
65kA at 600Vdc
N/A Bus Bar Type
M3H300T2 N/A 300 A N/A 2 N/A H N/A 150kA at 240Vac
100kA at 480Vac
30kA at 600Vac
65kA at 600Vdc
N/A Bus Bar Type
M3H350T2 N/A 350 A N/A 2 N/A H N/A 150kA at 240Vac
100kA at 480Vac
30kA at 600Vac
65kA at 600Vdc
N/A Bus Bar Type
M3H400T2 N/A 400 A N/A 2 N/A H N/A 150kA at 240Vac
100kA at 480Vac
30kA at 600Vac
65kA at 600Vdc
N/A Bus Bar Type
1 2 3