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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 589-600 of 1197
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Lovato P1MB3PD02 Miniature Circuit Breaker
Retail: $148.97
Price: $59.98

The Lovato P1MB3PD02 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 2
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD02
Altech Corp 1D3UL Miniature Circuit Breaker
Retail: $38.73
Price: $24.33

The Altech Corp 1D3UL 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: 3.0
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D3UL
Altech Corp 2D3UL Miniature Circuit Breaker
Retail: $77.44
Price: $48.65

The Altech Corp 2D3UL 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: 3.0
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 2D3UL
Altech Corp 3D3UL Miniature Circuit Breaker
Retail: $116.17
Price: $72.98

The Altech Corp 3D3UL 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: 3.0
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3D3UL
Altech Corp 1B3.5UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1B3.5UM 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: 3.5
  • Poles: 1
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1B3.5UM
Altech Corp 1C3.5UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1C3.5UM 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: 3.5
  • Poles: 1
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1C3.5UM
Altech Corp 1D3.5UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1D3.5UM 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: 3.5
  • Poles: 1
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1D3.5UM
Altech Corp 2B3.5UM Miniature Circuit Breaker
Retail: $54.98
Price: $34.54

The Altech Corp 2B3.5UM 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: 3.5
  • Poles: 2
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 2B3.5UM
Altech Corp 2C3.5UM Miniature Circuit Breaker
Retail: $54.98
Price: $34.54

The Altech Corp 2C3.5UM 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: 3.5
  • Poles: 2
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 2C3.5UM
Altech Corp 2D3.5UM Miniature Circuit Breaker
Retail: $54.98
Price: $34.54

The Altech Corp 2D3.5UM 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: 3.5
  • Poles: 2
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 2D3.5UM
Altech Corp 3B3.5UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3B3.5UM 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: 3.5
  • Poles: 3
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3B3.5UM
Altech Corp 3C3.5UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3C3.5UM 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: 3.5
  • Poles: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C3.5UM