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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 1033-1044 of 1197
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Altech Corp 1C63DL Miniature Circuit Breaker
Retail: $43.70
Price: $27.45

The Altech Corp 1C63DL 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: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C63DL
Altech Corp 1C63UL Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 1C63UL 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: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C63UL
Noark B1N1C63 Mini Circuit Breaker
Retail: $20.67
Price: $18.91

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 Corp 1D63DL Miniature Circuit Breaker
Retail: $43.70
Price: $27.45

The Altech Corp 1D63DL 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: 63
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D63DL
Noark B1N1D63 Mini Circuit Breaker
Retail: $22.71
Price: $20.78

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 Corp 1D63UR Miniature Circuit Breaker
Retail: $21.87
Price: $13.73

The Altech Corp 1D63UR 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: 63
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 1D63UR
Altech Corp 1B63UM Miniature Circuit Breaker
Retail: $31.24
Price: $19.62

The Altech Corp 1B63UM 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: 63
  • Poles: 1
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1B63UM
Altech Corp 1C63UM Miniature Circuit Breaker
Retail: $31.24
Price: $19.62

The Altech Corp 1C63UM 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: 63
  • Poles: 1
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1C63UM
Altech Corp 1D63UM Miniature Circuit Breaker
Retail: $31.24
Price: $19.62

The Altech Corp 1D63UM 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: 63
  • Poles: 1
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1D63UM
Noark B1N2B63 Mini Circuit Breaker
Retail: $44.83
Price: $41.02

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
Noark B1N2C63 Mini Circuit Breaker
Retail: $43.38
Price: $39.70

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
Noark B1N2D63 Mini Circuit Breaker
Retail: $43.38
Price: $39.70

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