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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 1225-1236 of 1377
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Lovato P1MB2PD63 Miniature Circuit Breaker
Retail: $101.87
Price: $33.84

The Lovato P1MB2PD63 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD63
Lovato P1MBUL2PC63 Miniature Circuit Breaker
Retail: $127.34
Price: $55.37

The Lovato P1MBUL2PC63 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: 63
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PC63
Lovato P1MBUL2PD63 Miniature Circuit Breaker
Retail: $127.34
Price: $55.37

The Lovato P1MBUL2PD63 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: 63
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PD63
Lovato P1MB3PC63 Miniature Circuit Breaker
Retail: $135.83
Price: $50.75

The Lovato P1MB3PC63 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC63
Lovato P1MBUL3PC63 Miniature Circuit Breaker
Retail: $195.26
Price: $83.05

The Lovato P1MBUL3PC63 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL3PC63
Lovato P1MB3PB63 Miniature Circuit Breaker
Retail: $135.83
Price: $50.75

The Lovato P1MB3PB63 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB63
Lovato P1MB3PD63 Miniature Circuit Breaker
Retail: $135.83
Price: $50.75

The Lovato P1MB3PD63 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD63
Noark B1N1B6 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1B6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B6
Noark B1N1B6R Mini Circuit Breaker
Retail: $18.00
Price: $15.30

The Noark B1N1B6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B6R
Altech 1BU6R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1BU6R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1BU6R
Noark B1H1B6 Mini Circuit Breaker
Retail: $21.30
Price: $18.11

The Noark B1H1B6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B6
Noark B1H1B6R Mini Circuit Breaker
Retail: $21.00
Price: $17.85

The Noark B1H1B6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B6R