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Product Category

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 1189-1200 of 1377
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Lovato P1MBUL2PD60 Miniature Circuit Breaker
Retail: $127.34
Price: $55.37

The Lovato P1MBUL2PD60 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: 60
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PD60
Lovato P1MBUL3PC60 Miniature Circuit Breaker
Retail: $195.26
Price: $83.05

The Lovato P1MBUL3PC60 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 60
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL3PC60
Noark B1N1B63 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1B63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B63
Altech 1BU63R Miniature Circuit Breaker
Retail: $17.32
Price: $10.88

The Altech 1BU63R 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: 63
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1BU63R
Altech DC1CU63L Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech DC1CU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1CU63L
Altech 1CU63L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 1CU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1CU63L
Noark B1N1C63 Mini Circuit Breaker
Retail: $16.60
Price: $14.11

The Noark B1N1C63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C63
Altech 1CU63R Miniature Circuit Breaker
Retail: $17.32
Price: $10.88

The Altech 1CU63R 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: 63
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1CU63R
Altech DC1DU63L Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech DC1DU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1DU63L
Altech 1DU63L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 1DU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1DU63L
Noark B1N1D63 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1D63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D63
Altech 1DU63R Miniature Circuit Breaker
Retail: $17.32
Price: $10.88

The Altech 1DU63R 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: 63
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1DU63R