Carling B-Series 5A Single pole UL 489 Circuit Breaker
SKU CB-BA1-UL-120VAC-5A
Carling B-Series 5A single pole hydraulic-magnetic circuit breaker for 120V AC applications. UL 489 listed; black handle and 10-32 bus-type screw terminals.
- Color
- Black
- Series
- B-Series
- Voltage
- 120V AC
- Amperage
- 5A
- Pole Count
- 1 pole
- Device Type
- Circuit breaker
- Current Type
- AC
- Actuator Type
- Handle, one per pole
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
BA1-B0-24-450-5DA-KG is a Carling B-Series hydraulic-magnetic circuit breaker with 1 pole, for 120V AC applications. The model's approval designation is UL 489 listed.
Product overview
- Series and poles: B-Series; 1 pole
- Current: 5A
- Operating voltage: 120V AC
- Application: AC
Features
- Hydraulic-magnetic overcurrent protection
- Trip-free operation: the breaker trips on overload even when the handle is held ON
Installation details
- Actuator: Black handle, one per pole
- Main terminals: 10-32 bus-type screw
Part-number breakdown
- Reference manual
- Carling B-Series Details & Ordering Scheme (printed p. 8; family reference, verify exact model/rating)
- Complete manufacturer part number
- BA1-B0-24-450-5DA-KG
- 1. Series
- B — B-Series
- 2. Actuator
- A — Handle, one per pole
- 3. Poles
- 1 — 1 pole
- 4. Circuit
- B — Series trip (current)
- 5. Auxiliary/alarm switch
- 0 — Without auxiliary switch
- 6. Frequency and delay
- 24 — 50/60 Hz medium
- 7. Current rating code
- 450 — 5 A
- 8. Terminal
- 5 — Screw 10-32 (bus type)
- 9. Actuator color and legend
- D — Black actuator, white ON–OFF legend
- 10. Mounting / barriers
- A — 6-32 × 0.195 in threaded inserts; barriers
- 11. Maximum application rating
- K — 120 VAC
- 12. Agency approval
- G — UL 489 Listed
Product details
- Color
- Black
- Series
- B-Series
- Voltage
- 120V AC
- Amperage
- 5A
- Pole Count
- 1 pole
- Device Type
- Circuit breaker
- Current Type
- AC
- Actuator Type
- Handle, one per pole
- Terminal Type
- 10-32 Screw (Bus Type)
- Actuator Color
- Black
- Actuator Style
- Handle, one per pole
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.