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1-Pole Miniature Circuit Breakers

1-pole miniature circuit breakers (MCBs) are available in current ranges from 0.3A to 63A, with tripping characteristics B, C, and D. They comply with UL 1077, UL 489, and UL 508 standards.

Products 301-312 of 395
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Altech Corp 1D50DL Miniature Circuit Breaker
Retail: $43.70
Price: $27.45

The Altech Corp 1D50DL 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: 50
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D50DL
Altech Corp 1D50UL Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 1D50UL 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: 50
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D50UL
Noark B1N1D50 Mini Circuit Breaker
Retail: $22.71
Price: $20.78

The Noark B1N1D50 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 50
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D50
Altech Corp 1D50UR Miniature Circuit Breaker
Retail: $21.87
Price: $13.73

The Altech Corp 1D50UR 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: 50
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 1D50UR
Altech Corp 1B50UM Miniature Circuit Breaker
Retail: $31.24
Price: $19.62

The Altech Corp 1B50UM 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: 50
  • Poles: 1
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1B50UM
Altech Corp 1C50UM Miniature Circuit Breaker
Retail: $31.24
Price: $19.62

The Altech Corp 1C50UM 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: 50
  • Poles: 1
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1C50UM
Altech Corp 1D50UM Miniature Circuit Breaker
Retail: $31.24
Price: $19.62

The Altech Corp 1D50UM 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: 50
  • Poles: 1
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1D50UM
Lovato P1MB1PB50 Miniature Circuit Breaker
Retail: $75.77
Price: $22.30

The Lovato P1MB1PB50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB50
Lovato P1MB1PC50 Miniature Circuit Breaker
Retail: $75.77
Price: $22.30

The Lovato P1MB1PC50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC50
Lovato P1MBUL1PC50 Miniature Circuit Breaker
Retail: $88.37
Price: $36.91

The Lovato P1MBUL1PC50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL1PC50
Lovato P1MB1PD50 Miniature Circuit Breaker
Retail: $75.77
Price: $22.30

The Lovato P1MB1PD50 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 50
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD50
Noark B1N1B5 Mini Circuit Breaker
Retail: $22.71
Price: $20.78

The Noark B1N1B5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 5
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B5