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NOARK® Electric Molded Case Circuit Breakers Ex9M4 Series:
- UL 489 Listed, File Number E35539
- CSA Standards 22.2 No.5 File Number E355392
- 400A to 600A Ratings
- 600VAC, 600VDC Maximum
- 2 Pole, 3 Pole
  Interrupting Ratings:
  Ex9M4S Ex9M4N Ex9M4H
  65kAIC at 240VAC 100kAIC at 240VAC 150kAIC at 240VAC
  42kAIC at 480Vac 65kAIC at 480VAC 100kAIC at 480VAC
  22kAIC at 600VAC 30kAIC at 600VAC 50kAIC at 600VAC
Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers
Items Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers
M4S400T2
Ex9M4S Series MCCB; Thermal-Magnetic Trip Unit
Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers
M4S500T2
Ex9M4S Series MCCB; Thermal-Magnetic Trip Unit
Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers
M4S600T2
Ex9M4S Series MCCB; Thermal-Magnetic Trip Unit
Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers
M4S400T3
Ex9M4S Series MCCB; Thermal-Magnetic Trip Unit
Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers
M4S500T3
Ex9M4S Series MCCB; Thermal-Magnetic Trip Unit
Rated Current N/A 400 A N/A 500 A N/A 600 A N/A 400 A N/A 500 A
Number of Poles N/A 2 N/A 2 N/A 2 N/A 3 N/A 3
IC Class N/A S
Interrupting Capacity N/A 22A at 600Vac 35kA at 600Vdc 42kA at 480Vac 65kA at 240Vac
Certifications N/A
  • UL 489 Listed, File Number E355392
  • CSA Standards 22.2 No.5 File Number E355392
  • IEC/EN 60947-2
  • CE Compliant
  • RoHS Compliant
N/A
  • UL 489 Listed, File Number E355392
  • CSA Standards 22.2 No.5 File Number E355392
  • IEC/EN 60947-2
  • CE Compliant
  • RoHS Compliant
N/A
  • UL 489 Listed, File Number E355392
  • CSA Standards 22.2 No.5 File Number E355392
  • IEC/EN 60947-2
  • CE Compliant
  • RoHS Compliant
N/A
  • UL 489 Listed, File Number E355392
  • CSA Standards 22.2 No.5 File Number E355392
  • IEC/EN 60947-2
  • CE Compliant
  • RoHS Compliant
N/A
  • UL 489 Listed, File Number E355392
  • CSA Standards 22.2 No.5 File Number E355392
  • IEC/EN 60947-2
  • CE Compliant
  • RoHS Compliant
Termination Type N/A Bus Bar Type
Terminal Specification N/A Bus Bar Type
Note N/A
  • High-breaking capacity and a patented arc extinguishing design
  • Bearing-type spindle reduces the operating force required to open and close the operating mechanism
  • High quality compact modular design
  • Fixed and adjustable trip unit settings
  • Line and load lugs installed standard
N/A Special Order Item.
Line/Load Lug type breakers can be converted to busbar connection type. Consult Sales for details

2 pole mechanism in a 3 pole frame.
N/A Special Order Item.
Line/Load Lug type breakers can be converted to busbar connection type. Consult Sales for details

2 pole mechanism in a 3 pole frame.
N/A Special Order Item.
Line/Load Lug type breakers can be converted to busbar connection type. Consult Sales for details
N/A Special Order Item.
Line/Load Lug type breakers can be converted to busbar connection type. Consult Sales for details
Features N/A
  • High-breaking capacity and a patented arc extinguishing design
  • Bearing-type spindle reduces the operating force required to open and close the operating mechanism
  • High quality compact modular design
  • Fixed and adjustable trip unit settings
  • Line and load lugs installed standard
UL Certificate N/A Ex9 Series M4 Bus Bar and Lug Line/Load Side Connection Molded Case Circuit Breakers (NOA_M4_UL Certificate)
Description N/A 400A - M4S Busbar Connection; 2 Poles;
Adjustable Thermal and Adjustable Magnetic, MCCB
N/A 500A - M4S Busbar Connection; 2 Poles;
Adjustable Thermal and Adjustable Magnetic, MCCB
N/A 600A - M4S Busbar Connection; 2 Poles;
Adjustable Thermal and Adjustable Magnetic, MCCB
N/A 400A - M4S Busbar Connection; 3 Poles;
Adjustable Thermal and Adjustable Magnetic, MCCB
N/A 500A - M4S Busbar Connection; 3 Poles;
Adjustable Thermal and Adjustable Magnetic, MCCB