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STR MasterPact Programmers

About 4,700 products found

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1290C94G09

Circuit Breaker Trip Units

ManufacturerCutler Hammer
ProtectionThermal Magnetic
Pole3
Volt600
Amp600

1290C94G10

Circuit Breaker Trip Units

ManufacturerCutler Hammer
ProtectionThermal Magnetic
Pole3
Volt600
Amp800

1290C94G11

Circuit Breaker Trip Units

ManufacturerCutler Hammer
ProtectionThermal Magnetic
Pole3
Volt600
Amp1000

1290C94G12

Circuit Breaker Trip Units

ManufacturerCutler Hammer
ProtectionThermal Magnetic
Pole3
Volt600
Amp1200

1367D47G26

Circuit Breaker Trip Units

ManufacturerCutler Hammer
ProtectionSolid State
Pole3
Volt600
Amp2500

1367D47G26

Circuit Breaker Trip Units

ManufacturerWestinghouse
ProtectionSolid State
Pole3
Volt600
Amp2500

1367D47G41

Circuit Breaker Trip Units

ManufacturerCutler Hammer
ProtectionSolid State
Pole3
Volt600
Amp1600

1367D47G41

Circuit Breaker Trip Units

ManufacturerWestinghouse
ProtectionSolid State
Pole3
Volt600
Amp1600

140G-HTC3-C50

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole3
Volt600
Amp50

140G-HTC3-C60

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole3
Volt600
Amp60

140G-HTC3-C63

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole3
Volt600
Amp63

140G-HTC3-C70

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole3
Volt600
Amp70

140G-HTC4-C50

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole4
Volt600
Amp50

140G-HTC4-C60

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole4
Volt600
Amp60

140G-HTC4-C63

Circuit Breaker Trip Units

ManufacturerAllen Bradley
ProtectionThermal Magnetic
Pole4
Volt600
Amp63

About 4,700 products found

1 2 3 4 >



Merlin Gerin, Square D and Schneider MasterPact Protection
Widespread Electrical Sales is a leading supplier of Merlin Gerin Compact & MasterPact circuit breakers and circuit breaker parts. We offer the Merlin Gerin and Square D Insulated Case M and MP MasterPact circuit breakers from 800A-6300A. And we offer the Merlin Gerin Molded Case Compact Series frames up to 2500A, including obsolete and late models of NS, NSF, NSJ, CK, CM and much more. Typically when a MasterPact circuit breaker fails, it is the trip unit or programmer that has gone defective. We offer several solid state models including STR18M, STR28D, STR23SP, STR38S and STR58U with a variety of trip unit functions available. The product selection menu below is designed to assist you in finding the exact programmer or trip unit that you require.

  • Solid State Protection
  • Ground Fault Protection
  • Communication Features
  • 877-999-7077