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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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Altech Corp 2C05UR Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 2C05UR 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: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, UL
MFG Part# 2C05UR
Altech Corp 2D05DL Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 2D05DL 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: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 2D05DL
Altech Corp 2D05UM Miniature Circuit Breaker
Retail: $54.98
Price: $34.54

The Altech Corp 2D05UM 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: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 2D05UM
Altech Corp 2D05UR Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 2D05UR 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: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 2D05UR
Noark B1N3B0.5 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3B0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B0.5
Noark B1H3B0.5 Mini Circuit Breaker
Retail: $78.47
Price: $71.81

The Noark B1H3B0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3B0.5
Noark B1N3C0.5 Mini Circuit Breaker
Retail: $64.30
Price: $58.84

The Noark B1N3C0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C0.5
Noark B1H3C0.5 Mini Circuit Breaker
Retail: $79.79
Price: $73.02

The Noark B1H3C0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3C0.5
Noark B1N3D0.5 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3D0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D0.5
Noark B1H3D0.5 Mini Circuit Breaker
Retail: $79.79
Price: $73.02

The Noark B1H3D0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D0.5
Altech Corp 3B05UR Miniature Circuit Breaker
Retail: $61.85
Price: $38.85

The Altech Corp 3B05UR 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: 0.5
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 3B05UR
Altech Corp 3C05UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3C05UM 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: 0.5
  • Poles: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C05UM