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3-Pole Miniature Circuit Breakers

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

Products 277-288 of 371
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Noark B1N3B50 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3B50 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 50
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B50
Noark B1N3C50 Mini Circuit Breaker
Retail: $64.30
Price: $58.84

The Noark B1N3C50 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 50
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C50
Noark B1N3D50 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3D50 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 50
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D50
Altech Corp 3B50UM Miniature Circuit Breaker
Retail: $93.70
Price: $58.85

The Altech Corp 3B50UM 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: 3
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3B50UM
Altech Corp 3B50UR Miniature Circuit Breaker
Retail: $65.57
Price: $41.19

The Altech Corp 3B50UR 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: 3
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 3B50UR
Altech Corp 3C50UL Miniature Circuit Breaker
Retail: $123.66
Price: $77.67

The Altech Corp 3C50UL 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: 3
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3C50UL
Altech Corp 3C50UM Miniature Circuit Breaker
Retail: $93.70
Price: $58.85

The Altech Corp 3C50UM 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: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C50UM
Altech Corp 3C50UR Miniature Circuit Breaker
Retail: $65.57
Price: $41.19

The Altech Corp 3C50UR 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: 3
  • Trip Curve: C
  • UL 1077 Listed, UL
MFG Part# 3C50UR
Altech Corp 3D50UL Miniature Circuit Breaker
Retail: $123.66
Price: $77.67

The Altech Corp 3D50UL 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: 3
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3D50UL
Altech Corp 3D50UM Miniature Circuit Breaker
Retail: $93.70
Price: $58.85

The Altech Corp 3D50UM 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: 3
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3D50UM
Altech Corp 3D50UR Miniature Circuit Breaker
Retail: $65.57
Price: $41.19

The Altech Corp 3D50UR 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: 3
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 3D50UR
Lovato P1MB3PC50 Miniature Circuit Breaker
Retail: $189.37
Price: $66.90

The Lovato P1MB3PC50 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 50
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC50