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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 289-300 of 395
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Altech Corp 1C4UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1C4UM 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: 4
  • Poles: 1
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1C4UM
Altech Corp 1D4UM Miniature Circuit Breaker
Retail: $27.48
Price: $17.26

The Altech Corp 1D4UM 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: 4
  • Poles: 1
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 1D4UM
Lovato P1MB1PB04 Miniature Circuit Breaker
Retail: $47.97
Price: $19.99

The Lovato P1MB1PB04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB04
Lovato P1MB1PC04 Miniature Circuit Breaker
Retail: $47.97
Price: $19.99

The Lovato P1MB1PC04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC04
Lovato P1MBUH1PC04 Miniature Circuit Breaker
Retail: $73.22
Price: $32.30

The Lovato P1MBUH1PC04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH1PC04
Lovato P1MB1PD04 Miniature Circuit Breaker
Retail: $47.97
Price: $19.99

The Lovato P1MB1PD04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD04
Altech Corp 1D5UL Miniature Circuit Breaker
Retail: $38.73
Price: $24.33

The Altech Corp 1D5UL 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: 5.0
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D5UL
Noark B1N1B50 Mini Circuit Breaker
Retail: $22.71
Price: $20.78

The Noark B1N1B50 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 50
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B50
Altech Corp 1B50UR Miniature Circuit Breaker
Retail: $21.87
Price: $13.73

The Altech Corp 1B50UR 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: B
  • UL 1077 Listed, UL
MFG Part# 1B50UR
Altech Corp 1C50DL Miniature Circuit Breaker
Retail: $43.70
Price: $27.45

The Altech Corp 1C50DL 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: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C50DL
Altech Corp 1C50UL Miniature Circuit Breaker
Retail: $41.24
Price: $25.90

The Altech Corp 1C50UL 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: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C50UL
Noark B1N1C50 Mini Circuit Breaker
Retail: $20.67
Price: $18.91

The Noark B1N1C50 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 50
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C50