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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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Lovato P1MBUH3PC10 Miniature Circuit Breaker
Retail: $275.19
Price: $96.89

The Lovato P1MBUH3PC10 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 10
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC10
Lovato P1MBUH3PD10 Miniature Circuit Breaker
Retail: $275.19
Price: $96.89

The Lovato P1MBUH3PD10 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 10
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, EAC, cULus, IEC/EN60947-2
MFG Part# P1MBUH3PD10
Lovato P1MB3PB10 Miniature Circuit Breaker
Retail: $148.97
Price: $59.98

The Lovato P1MB3PB10 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 10
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB10
Lovato P1MB3PD10 Miniature Circuit Breaker
Retail: $148.97
Price: $59.98

The Lovato P1MB3PD10 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 10
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD10
Altech Corp 1B12UR Miniature Circuit Breaker
Retail: $20.61
Price: $12.95

The Altech Corp 1B12UR 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: 12
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 1B12UR
Altech Corp 1C12DL Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 1C12DL 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: 12
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C12DL
Altech Corp 1C12UL Miniature Circuit Breaker
Retail: $38.73
Price: $24.33

The Altech Corp 1C12UL 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: 12
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C12UL
Altech Corp 1D12DL Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 1D12DL 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: 12
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D12DL
Altech Corp 1D12UL Miniature Circuit Breaker
Retail: $38.73
Price: $24.33

The Altech Corp 1D12UL 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: 12
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D12UL
Altech Corp 1D12UR Miniature Circuit Breaker
Retail: $20.61
Price: $12.95

The Altech Corp 1D12UR 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: 12
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 1D12UR
Altech Corp 2D12UL Miniature Circuit Breaker
Retail: $77.44
Price: $48.65

The Altech 2D12UL is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Lugs or Ring Tongue)
  • Amperage: 12
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2D12UL
Altech Corp 2B12UR Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 2B12UR 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: 12
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 2B12UR