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Miniature Circuit Breakers

Shop our wide selection of UL 489 miniature circuit breakers and UL 1077 supplementary protectors in both AC and DC voltages. They are available in one-, two- and three-pole versions with an amperage range up to 63A and in B, C or D trip curve options to meet your applications needs. Difference between UL 489 vs. UL 1077

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Noark B1N3D0.5R Mini Circuit Breaker
Retail: $40.70
Price: $34.60

The Noark B1N3D0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1N3D0.5R
Availability: In Stock
Altech 3DU05L Miniature Circuit Breaker
Retail: $69.23
Price: $43.49

The Altech 3DU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
Part# 3DU05L
Availability: In Stock
Altech 3DU05R Miniature Circuit Breaker
Retail: $34.62
Price: $21.74

The Altech 3DU05R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
Part# 3DU05R
Availability: In Stock
Noark B1H3D0.5 Mini Circuit Breaker
Retail: $45.90
Price: $39.02

The Noark B1H3D0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1H3D0.5
Availability: In Stock
Noark B1H3D0.5R Mini Circuit Breaker
Retail: $47.60
Price: $40.46

The Noark B1H3D0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1H3D0.5R
Availability: In Stock
Noark B1NQ1B1.6 Mini Circuit Breaker
Retail: $11.95
Price: $10.16

The Noark B1NQ1B1.6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1NQ1B1.6
Availability: In Stock
Noark B1NQ1B1.6T Mini Circuit Breaker
Retail: $11.95
Price: $10.16

The Noark B1NQ1B1.6T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1NQ1B1.6T
Availability: In Stock
Noark B1H1B1.6 Mini Circuit Breaker
Retail: $15.50
Price: $13.18

The Noark B1H1B1.6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1H1B1.6
Availability: In Stock
Noark B1H1B1.6R Mini Circuit Breaker
Retail: $17.20
Price: $14.62

The Noark B1H1B1.6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1H1B1.6R
Availability: In Stock
Noark B1N1B1.6 Mini Circuit Breaker
Retail: $13.20
Price: $11.22

The Noark B1N1B1.6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1N1B1.6
Availability: In Stock
Noark B1N1B1.6R Mini Circuit Breaker
Retail: $14.90
Price: $12.67

The Noark B1N1B1.6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1N1B1.6R
Availability: In Stock
Noark B1NQ1C1.6 Mini Circuit Breaker
Retail: $12.58
Price: $10.69

The Noark B1NQ1C1.6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1.6
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1NQ1C1.6
Availability: In Stock