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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 P1MBUH2PC01 Miniature Circuit Breaker
Retail: $117.15
Price: $49.22

The Lovato P1MBUH2PC01 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: 1
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PC01
Lovato P1MBUH2PD01 Miniature Circuit Breaker
Retail: $117.15
Price: $49.22

The Lovato P1MBUH2PD01 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: 1
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PD01
Lovato P1MB3PC01 Miniature Circuit Breaker
Retail: $100.17
Price: $46.14

The Lovato P1MB3PC01 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 1
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC01
Lovato P1MBUH3PC01 Miniature Circuit Breaker
Retail: $185.06
Price: $73.82

The Lovato P1MBUH3PC01 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 1
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC01
Lovato P1MB3PB01 Miniature Circuit Breaker
Retail: $100.17
Price: $46.14

The Lovato P1MB3PB01 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 1
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB01
Lovato P1MB3PD01 Miniature Circuit Breaker
Retail: $100.17
Price: $46.14

The Lovato P1MB3PD01 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 1
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD01
Noark B1N1B20 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1B20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B20
Noark B1N1B20R Mini Circuit Breaker
Retail: $18.00
Price: $15.30

The Noark B1N1B20R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 20
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B20R
Altech 1BU20R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1BU20R 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: 20
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1BU20R
Noark B1H1B20 Mini Circuit Breaker
Retail: $21.30
Price: $18.11

The Noark B1H1B20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B20
Noark B1H1B20R Mini Circuit Breaker
Retail: $21.00
Price: $17.85

The Noark B1H1B20R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 20
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B20R
Altech DC1CU20L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech DC1CU20L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1CU20L