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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 P1MB2PC20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 2 Pole, C-Curve (Rated to 400VAC/80VDC) | P1MB2PC20
Retail: $98.47
Price: $39.99

The Lovato P1MB2PC20 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 20
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC20
Lovato P1MB2PD20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 2 Pole, D-Curve (Rated to 400VAC/80VDC) | P1MB2PD20
Retail: $98.47
Price: $39.99

The Lovato P1MB2PD20 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD20
Lovato P1MBUH2PC20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 2 Poles, C-Curve (Rated to 230-400VAC/125VDC) | P1MBUH2PC20
Retail: $174.21
Price: $64.60

The Lovato P1MBUH2PC20 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: 20
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PC20
Lovato P1MBUH2PD20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 2 Poles, D-Curve (Rated to 230-400VAC/125VDC) | P1MBUH2PD20
Retail: $174.21
Price: $64.60

The Lovato P1MBUH2PD20 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: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PD20
Lovato P1MB3PC20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MB3PC20
Retail: $148.97
Price: $59.98

The Lovato P1MB3PC20 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 20
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC20
Lovato P1MBUH3PC20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MBUH3PC20
Retail: $275.19
Price: $96.89

The Lovato P1MBUH3PC20 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 20
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC20
Lovato P1MB3PB20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 3 Poles, B-Curve (Rated to 230-400 VAC) | P1MB3PB20
Retail: $148.97
Price: $59.98

The Lovato P1MB3PB20 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 20
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB20
Lovato P1MB3PD20 Miniature Circuit Breaker
20A Miniature Circuit Breakers, 3 Poles, D-Curve (Rated to 230-400 VAC) | P1MB3PD20
Retail: $148.97
Price: $59.98

The Lovato P1MB3PD20 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 20
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD20
Noark B1N1B25 Mini Circuit Breaker
25A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 240 VAC, 60 VDC) | B1N1B25
Retail: $22.71
Price: $20.78

The Noark B1N1B25 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 25
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B25
Altech Corp 1B25UR Miniature Circuit Breaker
25A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 277 VAC) | 1B25UR
Retail: $20.61
Price: $12.95

The Altech Corp 1B25UR 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: 25
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 1B25UR
Noark B1H1B25 Mini Circuit Breaker
25A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 480Y/277 VAC) | B1H1B25
Retail: $26.56
Price: $24.30

The Noark B1H1B25 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 25
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B25
Altech 1C25DL Miniature Circuit Breaker
25A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 125 VDC) | 1C25DL
Retail: $41.24
Price: $25.90

The Altech 1C25DL is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 25
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1C25DL
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