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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 1201-1212 of 1377
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Noark B1N2B63 Mini Circuit Breaker
Retail: $35.90
Price: $30.52

The Noark B1N2B63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B63
Altech 2BU63R Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech 2BU63R 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
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2BU63R
Altech 2CU63L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech 2CU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2CU63L
Noark B1N2C63 Mini Circuit Breaker
Retail: $34.80
Price: $29.58

The Noark B1N2C63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C63
Altech DC2CU63L Miniature Circuit Breaker
Retail: $69.30
Price: $43.54

The Altech DC2CU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2CU63L
Altech 2CU63R Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech 2CU63R 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
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2CU63R
Altech 2DU63L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech 2DU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2DU63L
Noark B1N2D63 Mini Circuit Breaker
Retail: $34.80
Price: $29.58

The Noark B1N2D63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2D63
Altech DC2DU63L Miniature Circuit Breaker
Retail: $69.30
Price: $43.54

The Altech DC2DU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2DU63L
Altech 2DU63R Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech 2DU63R 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
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2DU63R
Noark B1N3B63 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3B63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B63
Altech 3BU63R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3BU63R 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
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3BU63R