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Miniature Circuit Breakers

Shop our wide selection of UL 489 miniature circuit breakers and UL 1077 supplementary protectors in both AC and DC voltages. They are available in one-, two- and three-pole versions with an amperage range up to 63A and in B, C or D trip curve options to meet your applications needs. Difference between UL 489 vs. UL 1077

Products 1081-1092 of 1377
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Lovato P1MB1PC50 Miniature Circuit Breaker
Retail: $50.95
Price: $16.92

The Lovato P1MB1PC50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC50
Lovato P1MBUL1PC50 Miniature Circuit Breaker
Retail: $59.43
Price: $27.68

The Lovato P1MBUL1PC50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL1PC50
Lovato P1MB1PD50 Miniature Circuit Breaker
Retail: $50.95
Price: $16.92

The Lovato P1MB1PD50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD50
Lovato P1MB2PB50 Miniature Circuit Breaker
Retail: $93.39
Price: $33.84

The Lovato P1MB2PB50 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PB50
Lovato P1MB2PC50 Miniature Circuit Breaker
Retail: $93.39
Price: $33.84

The Lovato P1MB2PC50 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC50
Lovato P1MB2PD50 Miniature Circuit Breaker
Retail: $93.39
Price: $33.84

The Lovato P1MB2PD50 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD50
Lovato P1MBUL2PC50 Miniature Circuit Breaker
Retail: $127.34
Price: $55.37

The Lovato P1MBUL2PC50 is designed to protect feeder circuits, the part of the system from the network supply point to the protection device for a branch circuit. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PC50
Lovato P1MBUL2PD50 Miniature Circuit Breaker
Retail: $127.34
Price: $55.37

The Lovato P1MBUL2PD50 is designed to protect feeder circuits, the part of the system from the network supply point to the protection device for a branch circuit. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PD50
Lovato P1MB3PC50 Miniature Circuit Breaker
Retail: $127.34
Price: $50.75

The Lovato P1MB3PC50 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC50
Lovato P1MBUL3PC50 Miniature Circuit Breaker
Retail: $195.26
Price: $83.05

The Lovato P1MBUL3PC50 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL3PC50
Lovato P1MB3PB50 Miniature Circuit Breaker
Retail: $127.34
Price: $50.75

The Lovato P1MB3PB50 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB50
Lovato P1MB3PD50 Miniature Circuit Breaker
Retail: $127.34
Price: $50.75

The Lovato P1MB3PD50 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD50