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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 3C05UR Miniature Circuit Breaker
Retail: $61.85
Price: $38.85

The Altech Corp 3C05UR 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 1077 Listed, UL
MFG Part# 3C05UR
Altech Corp 3D05UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3D05UM 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: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3D05UM
Altech Corp 3D05UR Miniature Circuit Breaker
Retail: $61.85
Price: $38.85

The Altech Corp 3D05UR 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: D
  • UL 1077 Listed, UL, CE
MFG Part# 3D05UR
Altech Corp 1C075UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1C075UM 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: 0.75
  • Poles: 1
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1C075UM
Altech Corp 1D075UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1D075UM 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: 0.75
  • Poles: 1
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1D075UM
Altech Corp 2C075UM Miniature Circuit Breaker
Retail: $54.98
Price: $34.54

The Altech Corp 2C075UM 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: 0.75
  • Poles: 2
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 2C075UM
Altech Corp 2D075UM Miniature Circuit Breaker
Retail: $54.98
Price: $34.54

The Altech Corp 2D075UM 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: 0.75
  • Poles: 2
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 2D075UM
Altech Corp 3C075UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3C075UM 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: 0.75
  • Poles: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C075UM
Altech Corp 3D075UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3D075UM 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: 0.75
  • Poles: 3
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3D075UM
Altech Corp 2D1UL Miniature Circuit Breaker
Retail: $77.44
Price: $48.65

The Altech Corp 2D1UL 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: 1.0
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 2D1UL
Altech Corp 3D1UL Miniature Circuit Breaker
Retail: $116.17
Price: $72.98

The Altech Corp 3D1UL 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: 1.0
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3D1UL
Noark B1N1B1.6 Mini Circuit Breaker
Retail: $22.71
Price: $20.78

The Noark B1N1B1.6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B1.6