Carling C-Series CA2 15A Double-Pole Supplementary Circuit Breaker
SKU CB-CA2-15AMP
15A 2-pole Carling C-Series CA2 UL 1077 recognized and CSA accepted supplementary protector, MPN CA2-B0-34-615-321-C.
- Carling part number
- CA2-B0-34-615-321-C
- Current
- 15A
- Poles
- 2
- Protection class
- UL 1077 recognized and CSA accepted supplementary protector
- Terminal
- 1/4-20 stud
- Color
- Black
- Series
- C-Series
- Amperage
- 15A
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
CA2-B0-34-615-321-C is a 2-pole Carling C-Series hydraulic-magnetic UL 1077 recognized and CSA accepted supplementary protector. The complete ordering identity is retained so model-specific claims remain separate from family capabilities.
Product overview
- Series and poles: C-Series CA2; 2 poles
- Rated current: 15A
- Protection class: UL 1077 recognized and CSA accepted supplementary protector
- Frequency / delay code: 34; interpret using the attached C-Series ordering guide and time-delay curves
Verified family specifications
- Trip-free: Trips on overload even when the actuator is held ON
- Trip indication: Actuator moves positively to OFF on electrical trip
- Insulation resistance: Minimum 100 megohms at 500 VDC
- Dielectric strength: 1,960 V at 50/60 Hz for one minute between electrically isolated terminals under UL/CSA test conditions
- Mechanical endurance: 10,000 ON-OFF operations at six operations per minute with rated current and voltage
- Approximate family weight: 112 grams / 3.95 ounces per pole
Installation details
- Main terminals: Code 3, 1/4-20 stud
- Terminal torque: 30-35 in-lb (3.4-4.0 N-m) for 1/4-20 threaded studs
- Mounting: Code 1, two 6-32 x 0.195-inch threaded inserts per pole with barriers
- Mounting torque: 7-9 in-lb (0.8-1.0 N-m)
Environmental durability
- Operating temperature: -40 C to +85 C
- Shock: 100 G, 6 ms sawtooth, MIL-STD-202 Method 213 Condition I
- Vibration: 0.060-inch excursion at 10-55 Hz and 10 G at 55-500 Hz, Method 204C Condition A
- Moisture resistance: Method 106D, ten 24-hour cycles at +25 C to +65 C and 80-98% RH
- Salt spray: Method 101 Condition A, 5% NaCl for 96 hours
- Thermal shock: Method 107D Condition A, five cycles from -55 C to +85 C
Part-number breakdown
- Reference manual
- Carling C-Series datasheet, UL 1077 Handle Ordering Scheme (p. 6)
- Complete manufacturer part number
- CA2-B0-34-615-321-C
- 1. Series
- C — C-Series
- 2. Actuator
- A — Handle, one per pole
- 3. Poles
- 2 — 2 poles
- 4. Circuit
- B — Series trip (current)
- 5. Auxiliary/alarm switch
- 0 — Without auxiliary switch
- 6. Frequency and delay
- 34 — DC / 50–60 Hz medium
- 7. Current rating code
- 615 — 15 A
- 8. Terminal
- 3 — 1/4-20 stud
- 9. Actuator color and legend
- 2 — Black actuator; white legend
- 10. Mounting / barriers
- 1 — 6-32 × 0.195 in threaded inserts; no barriers
- 11. Agency approval
- C — UL Recognized; CSA Accepted
Product details
- Carling part number
- CA2-B0-34-615-321-C
- Current
- 15A
- Poles
- 2
- Protection class
- UL 1077 recognized and CSA accepted supplementary protector
- Terminal
- 1/4-20 stud
- Color
- Black
- Series
- C-Series
- Voltage
- Not specified
- Amperage
- 15A
- Mounting
- Two 6-32 x 0.195-inch threaded inserts per pole; barriers
- Trip Free
- Yes - trips on overload with actuator held ON
- Actuator Type
- Handle, one per pole
- Terminal Type
- 1/4-20 Stud
- Agency Approval
- UL 1077 recognized and CSA accepted supplementary protector
- Terminal Torque
- 30-35 in-lb (3.4-4.0 N-m)
- Trip Indication
- Positive OFF-position indication on electrical trip
- Dielectric Strength
- 1,960 V, 50/60 Hz, 1 minute between electrically isolated terminals
- Mechanical Endurance
- 10,000 ON-OFF operations at 6 per minute with rated current and voltage
- Insulation Resistance
- Minimum 100 megohms at 500 VDC
- Operating Temperature
- -40 C to +85 C
- Mounting Hardware Torque
- 7-9 in-lb (0.8-1.0 N-m)
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.