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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 769-780 of 1201
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Altech Corp 3D3UM Miniature Circuit Breaker
3A Miniature Circuit Breaker, 3 Poles, D-Curve (Rated to 40Y/277 VAC) | 3D3UM
Retail: $82.45
Price: $51.79

The Altech Corp 3D3UM is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3D3UM
Altech Corp 3D3UR Miniature Circuit Breaker
3A Miniature Circuit Breaker, 3 Poles, D-Curve (Rated to 480Y/277 VAC) | 3D3UR
Retail: $61.85
Price: $38.85

The Altech Corp 3D3UR is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 3D3UR
Lovato P1MB1PB03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 1 Pole, B-Curve (Rated to 230VAC/60VDC) | P1MB1PB03
Retail: $48.00
Price: $19.99

The Lovato P1MB1PB03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB03
Lovato P1MB1PC03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 1 Pole, C-Curve (Rated to 230VAC/60VDC) | P1MB1PC03
Retail: $48.00
Price: $19.99

The Lovato P1MB1PC03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC03
Lovato P1MBUH1PC03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 1 Pole, C-Curve (Rated to 400VAC/60VDC) | P1MBUH1PC03
Retail: $73.20
Price: $32.30

The Lovato P1MBUH1PC03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH1PC03
Lovato P1MB1PD03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 1 Pole, D-Curve (Rated to 230VAC/60VDC) | P1MB1PD03
Retail: $48.00
Price: $19.99

The Lovato P1MB1PD03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD03
Lovato P1MB2PC03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 2 Pole, C-Curve (Rated to 400VAC/80VDC) | P1MB2PC03
Retail: $98.50
Price: $39.99

The Lovato P1MB2PC03 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC03
Lovato P1MB2PD03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 2 Pole, D-Curve (Rated to 400VAC/80VDC) | P1MB2PD03
Retail: $98.50
Price: $39.99

The Lovato P1MB2PD03 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD03
Lovato P1MBUH2PC03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 2 Poles, C-Curve (Rated to 230-400VAC/125VDC) | P1MBUH2PC03
Retail: $174.20
Price: $64.60

The Lovato P1MBUH2PC03 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: 3
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PC03
Lovato P1MBUH2PD03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 2 Poles, D-Curve (Rated to 230-400VAC/125VDC) | P1MBUH2PD03
Retail: $174.20
Price: $64.60

The Lovato P1MBUH2PD03 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: 3
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PD03
Lovato P1MB3PC03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MB3PC03
Retail: $149.00
Price: $59.98

The Lovato P1MB3PC03 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC03
Lovato P1MBUH3PC03 Miniature Circuit Breaker
3A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MBUH3PC03
Retail: $275.20
Price: $96.89

The Lovato P1MBUH3PC03 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC03
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