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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

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Lovato P1MB1PB04 Miniature Circuit Breaker
Retail: $48.00
Price: $19.99

The Lovato P1MB1PB04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB04
Lovato P1MB1PC04 Miniature Circuit Breaker
Retail: $48.00
Price: $19.99

The Lovato P1MB1PC04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC04
Lovato P1MBUH1PC04 Miniature Circuit Breaker
Retail: $73.20
Price: $32.30

The Lovato P1MBUH1PC04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH1PC04
Lovato P1MB1PD04 Miniature Circuit Breaker
Retail: $48.00
Price: $19.99

The Lovato P1MB1PD04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD04
Lovato P1MB2PB04 Miniature Circuit Breaker
Retail: $98.50
Price: $39.99

The Lovato P1MB2PB04 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PB04
Lovato P1MB2PC04 Miniature Circuit Breaker
Retail: $98.50
Price: $39.99

The Lovato P1MB2PC04 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC04
Lovato P1MB2PD04 Miniature Circuit Breaker
Retail: $98.50
Price: $39.99

The Lovato P1MB2PD04 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD04
Lovato P1MBUH2PC04 Miniature Circuit Breaker
Retail: $174.20
Price: $64.60

The Lovato P1MBUH2PC04 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: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PC04
Lovato P1MBUH2PD04 Miniature Circuit Breaker
Retail: $174.20
Price: $64.60

The Lovato P1MBUH2PD04 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: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PD04
Lovato P1MB3PC04 Miniature Circuit Breaker
Retail: $149.00
Price: $59.98

The Lovato P1MB3PC04 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC04
Lovato P1MBUH3PC04 Miniature Circuit Breaker
Retail: $275.20
Price: $96.89

The Lovato P1MBUH3PC04 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC04
Lovato P1MB3PB04 Miniature Circuit Breaker
Retail: $149.00
Price: $59.98

The Lovato P1MB3PB04 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB04