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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.

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Altech Corp 1B3UR Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 277 VAC) | 1B3UR
Retail: $20.61
Price: $12.95

The Altech Corp 1B3UR 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: 3
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 1B3UR
Noark B1H1B3 Mini Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 480Y/277 VAC) | B1H1B3
Retail: $26.56
Price: $24.30

The Noark B1H1B3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B3
Altech Corp 1C3DL Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 125 VDC) | 1C3DL
Retail: $41.24
Price: $25.90

The Altech Corp 1C3DL 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: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C3DL
Noark B1N1C3 Mini Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 240 VAC, 60 VDC) | B1N1C3
Retail: $20.67
Price: $18.91

The Noark B1N1C3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C3
Altech Corp 1C03UL Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 277 VAC) | 1C03UL
Retail: $38.73
Price: $24.33

The Altech Corp 1C03UL 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: 03
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C03UL
Altech Corp 1C3UL Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 277 VAC) | 1C3UL
Retail: $38.73
Price: $24.33

The Altech Corp 1C3UL 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: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C3UL
Altech 1C3UR Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 480Y/277 VAC) | 1C3UR
Retail: $20.61
Price: $12.95

The Altech 1C3UR is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Clamp or Ring Tongue)
  • Amperage: 3
  • Poles: 1
  • Trip Curve: C
  • UL 1077 Listed, CE
MFG Part# 1C3UR
Noark B1H1C3 Mini Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 480Y/277 VAC) | B1H1C3
Retail: $27.92
Price: $25.55

The Noark B1H1C3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1C3
Altech Corp 1D3DL Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 125 VDC) | 1D3DL
Retail: $41.24
Price: $25.90

The Altech Corp 1D3DL 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: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D3DL
Noark B1N1D3 Mini Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 240 VAC, 60 VDC) | B1N1D3
Retail: $22.71
Price: $20.78

The Noark B1N1D3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D3
Altech Corp 1D3UR Miniature Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 277 VAC) | 1D3UR
Retail: $20.61
Price: $12.95

The Altech Corp 1D3UR 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: 3
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 1D3UR
Noark B1H1D3 Mini Circuit Breaker
3A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 480Y/277 VAC) | B1H1D3
Retail: $27.92
Price: $25.55

The Noark B1H1D3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1D3
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