Bussmann 121A20-A3M 20A Auto Reset Circuit Breaker Surface Mount
Special Price
$8.62
Regular Price
$8.80
In stock
SKU
121A20-A3M
Bussmann 121A20-A3M 20A Auto Reset Circuit Breaker Surface Mount is available to buy in increments of 1
Bussmann 121A20-A3M 20A Auto Reset Circuit Breaker Surface Mount
Bussmann 121A20-A3M 20A Auto Reset Circuit Breaker Surface Mount
These Bussmann Short Stop single pole thermal circuit breakers designed for various applications including battery chargers, trucks, buses, caravans, RV's, electric vehicles etc. Compact design and easy to mount. Features a metal body.
Automatic reset circuit breakers will open the circuit on overload and close the circuit automatically when the operating current returns to normal. However, they are not designed for long term cycling. It is recommended they are installed downstream of a main fuse, manual reset circuit breaker or momentary switch.
Applications: Battery chargers, trucks, buses, RVs, trolling motors, etc.
Function Options: Auto Reset Circuit Breakers.
I.R.: 2.5kA @ 12VDC (Branch circuit protection), please contact sales for further info.
Voltage: 14VDC (121 Series), 28VDC (123 series)
Operating Temp: -40°C to 85°C
Storage Temp: -40°C to 125°C
Ingress Protection Rating: IP66 (on plastic cover type only, excludes terminals).
Pack Size: Stock lines 1pc, indent items 250pcs.
Notes: Keps lock nuts included with circuit breakers
Bussmann 121 Short Stop Circuit Breakers (121-A3M) – SHORT STOP CIRCUIT BREAKER 20A 14VDC TYPE I METAL A BRACKET
Features
- Single pole circuit breakers suit battery chargers, trucks, buses and RVs
- Bus bar available in 2, 3, 4, 6 & 8 pole configurations
- Waterproof and splashproof options available
- Terminal boots protect connections from accidental shorts
- Spare Pack (SP) contains 1pc of one rating
Specifications
| Part Number | 121A20-A3M |
|---|---|
| Description | SHORT STOP CIRCUIT BREAKER 20A 14VDC TYPE I METAL A BRACKET |
| Series & Voltage | 121: Type I 14V; 122: Type II 14V (metal only); 123: Type III 28V (plastic only); 124: Type I 28V; 125: Type II 28V (metal only) |
| Ampere Range | 5A, 8A, 10A, 15A, 20A, 25A, 30A, 35A, 40A, 50A |
| Rating (Automatic T1, 14VDC) | 5A through 50A, metal or plastic cover |
| Rating (Manual TIII, 12V - 28VDC) | 5A through 50A, plastic cover |
| Bus Bar | Available in 2, 3, 4, 6 & 8 pole |
| Cover | Metal or plastic |
| Bracket Options | None, cross, parallel or single |
| Mounting Hole Sizes | 3.56mm, 4.98mm, 6.02mm, 6.73mm, 5.80mm, 5.62mm (plastic only) |
| Hardware | Whiz locknut, nut & washer, or Keps locknut (assembled or bulk) |
| Options | Waterproof; splashproof (optional on metal covers, standard on plastic covers) |
| Approvals | J553 |
| Terminal Boot Standards | ABYC E-9, USCG 33 Subpart I, ISO 10133 |
| Manufacturer | Bussmann |
|---|
Write Your Own Review