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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

Products 13-24 of 1587
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Noark B1N1B0.5 Mini Circuit Breaker
Retail: $16.00
Price: $13.60

The Noark B1N1B0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B0.5
Noark B1N1B0.5R Mini Circuit Breaker
Retail: $18.00
Price: $15.30

The Noark B1N1B0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B0.5R
Altech 1BU05R Miniature Circuit Breaker
Retail: $15.55
Price: $9.77

The Altech 1BU05R 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
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1BU05R
Noark B1H1B0.5 Mini Circuit Breaker
Retail: $19.00
Price: $16.15

The Noark B1H1B0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B0.5
Noark B1H1B0.5R Mini Circuit Breaker
Retail: $21.00
Price: $17.85

The Noark B1H1B0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B0.5R
Altech DC1CU05L Miniature Circuit Breaker
Retail: $31.09
Price: $19.53

The Altech DC1CU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1CU05L
Noark B1NQ1C0.5 Mini Circuit Breaker
Retail: $11.00
Price: $9.35

The Noark B1NQ1C0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ1C0.5
Noark B1NQ1C0.5T Mini Circuit Breaker
Retail: $11.00
Price: $9.35

The Noark B1NQ1C0.5T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ1C0.5T
Noark B1N1C0.5 Mini Circuit Breaker
Retail: $15.00
Price: $12.75

The Noark B1N1C0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C0.5
Noark B1N1C0.5R Mini Circuit Breaker
Retail: $17.00
Price: $14.45

The Noark B1N1C0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C0.5R
Altech 1CU05L Miniature Circuit Breaker
Retail: $28.88
Price: $18.14

The Altech 1CU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1CU05L
Altech 1CU05R Miniature Circuit Breaker
Retail: $15.55
Price: $9.77

The Altech 1CU05R 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
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1CU05R