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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 241-252 of 371
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Lovato P1MBUH3PC03 Miniature Circuit Breaker
Retail: $275.19
Price: $96.89

The Lovato P1MBUH3PC03 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC03
Lovato P1MBUH3PD03 Miniature Circuit Breaker
Retail: $275.19
Price: $96.89

The Lovato P1MBUH3PD03 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, EAC, cULus, IEC/EN60947-2
MFG Part# P1MBUH3PD03
Altech Corp 3D4UL Miniature Circuit Breaker
Retail: $116.17
Price: $72.98

The Altech Corp 3D4UL 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: 4.0
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3D4UL
Noark B1N3B40 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3B40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B40
Noark B1N3C40 Mini Circuit Breaker
Retail: $64.30
Price: $58.84

The Noark B1N3C40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C40
Noark B1N3D40 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3D40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D40
Altech Corp 3B40UM Miniature Circuit Breaker
Retail: $93.70
Price: $58.85

The Altech Corp 3B40UM 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: 40
  • Poles: 3
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3B40UM
Altech Corp 3B40UR Miniature Circuit Breaker
Retail: $65.57
Price: $41.19

The Altech Corp 3B40UR 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: 40
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 3B40UR
Altech Corp 3C40UL Miniature Circuit Breaker
Retail: $123.66
Price: $77.67

The Altech Corp 3C40UL 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: 40
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3C40UL
Altech Corp 3C40UM Miniature Circuit Breaker
Retail: $93.70
Price: $58.85

The Altech Corp 3C40UM 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: 40
  • Poles: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C40UM
Altech Corp 3C40UR Miniature Circuit Breaker
Retail: $65.57
Price: $41.19

The Altech Corp 3C40UR 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: 40
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, UL
MFG Part# 3C40UR
Altech Corp 3D40UL Miniature Circuit Breaker
Retail: $123.66
Price: $77.67

The Altech Corp 3D40UL 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: 40
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3D40UL