1. Ievads
This manual provides essential information for the safe installation, operation, and maintenance of the BRYANT BD20/20 20A 120/240V 2P 10K Circuit Breaker. This device is designed to protect electrical circuits from overcurrent conditions, such as overloads and short circuits, by automatically interrupting the flow of electricity. Please read this manual thoroughly before installation or use to ensure proper function and safety.
2. Drošības informācija
BRĪDINĀJUMS: Electrical shock hazard. Installation and servicing of this circuit breaker must be performed by qualified personnel only. Always disconnect power at the main service panel before working on electrical circuits.
- Uzstādīšanas laikā pārliecinieties, ka tiek ievēroti visi vietējie un nacionālie elektroinstalācijas noteikumi.
- Pārbaudiet sējtage and current ratings of the circuit breaker match the requirements of the electrical system.
- Do not install or operate the circuit breaker if it appears damaged.
- Izmantojiet atbilstošus individuālos aizsardzības līdzekļus (IAL), tostarp izolētus cimdus un aizsargbrilles.
- Nekad neapejiet un tampar ķēdes pārtraucēja aizsargmehānismiem.
3. Produkts beidziesview
The BRYANT BD20/20 is a 2-pole, 20-amp circuit breaker designed for 120/240V applications. It features a 10,000 Ampere Interrupting Capacity (AIC), indicating its ability to safely interrupt high fault currents. The breaker is designed for plug-in mounting in compatible load centers.

This image displays the front of the BRYANT BD20/20 circuit breaker. It clearly shows the two red toggle switches, labeled "ON" and "OFF" for each pole. The brand "BRYANT" and model "BD20-20" are visible, along with "CU-AL SWD" indicating compatibility with copper and aluminum wiring. The UL listing information is also present at the top.

This image shows the bottom side of the BRYANT BD20/20 circuit breaker. Visible markings include "USE ONLY IN LISTED ENCLOSURE", "40 C CPL 60/75 C WIRE", and several patent numbers. The text "MADE IN U.S.A." is also clearly visible, indicating the country of manufacture.

This image displays the top side of the BRYANT BD20/20 circuit breaker. Key information includes the "TORQUE" specifications for wire connections: 14-10 AWG 20 IN.LBS., 8 AWG 25 IN.LBS., and 6-4 AWG 27 IN.LBS. The "CURRENT INTERRUPTING RATING" is also shown as "MAX. RMS SYM. AMPERES 10,000 AT 120/240 VOLTS AC".
4. Iestatīšana un instalēšana
SVARĪGI: Ensure all power to the electrical panel is OFF before proceeding with installation. Use a voltage tester to confirm the absence of power.
- Strāvas atslēgšana: Locate the main service panel and turn off the main breaker to completely de-energize the panel.
- Paneļa piekļuve: Carefully remove the cover of the electrical panel to expose the bus bar and wiring.
- Pārslēdzēja izvietojums: Identify an available slot on the bus bar that is compatible with the BD20/20's plug-in design.
- Uzstādīšana: Align the circuit breaker with the bus bar and firmly push it into place until it clicks securely. Ensure both poles are properly seated.
- Elektroinstalācija: Connect the circuit wires to the appropriate terminals on the circuit breaker. For the BD20/20, connect the two hot wires to the respective screw terminals. Refer to Figure 3.3 for recommended torque specifications for wire gauges (14-10 AWG: 20 in-lbs, 8 AWG: 25 in-lbs, 6-4 AWG: 27 in-lbs).
- Droši savienojumi: Tighten the terminal screws to the specified torque to ensure a secure and safe electrical connection.
- Paneļa salikšana atpakaļ: Replace the electrical panel cover, ensuring all screws are tightened.
- Strāvas atjaunošana: Turn the main breaker back ON at the service panel.
- Pārbaude: Test the circuit protected by the newly installed breaker to confirm proper operation.
5. Lietošanas instrukcijas
The BRYANT BD20/20 circuit breaker operates with simple ON/OFF toggles. When the circuit breaker trips due to an overload or short circuit, the toggle will move to a central or "tripped" position, typically between ON and OFF.
- Ieslēgt: Push the red toggle(s) firmly to the "ON" position.
- Izslēgt: Push the red toggle(s) firmly to the "OFF" position.
- To Reset a Tripped Breaker: First, push the toggle(s) completely to the "OFF" position. Then, push the toggle(s) firmly to the "ON" position. If the breaker immediately trips again, there may be a persistent fault in the circuit that requires professional attention.
6. Apkope
Circuit breakers like the BRYANT BD20/20 are generally maintenance-free. However, periodic visual inspection is recommended.
- Ikgadējā pārbaude: Annually, or as required by local codes, have a qualified electrician inspect the circuit breaker and its connections for any signs of wear, corrosion, or overheating (discoloration).
- Tīrīšana: Ensure the area around the circuit breaker within the panel is free from dust and debris. Do not use liquids for cleaning inside the electrical panel.
- Pārbaude: While not typically required for residential breakers, some commercial or industrial applications may require periodic testing by a qualified professional.
7. Traucējummeklēšana
| Problēma | Iespējamais cēlonis | Risinājums |
|---|---|---|
| Breaker braucieni bieži. | Pārslogota ķēde, īssavienojums vai zemējuma kļūme. | Reduce load on the circuit. Unplug appliances. Inspect wiring for damage. If problem persists, consult a qualified electrician. |
| Drošinātājs neatiestatās. | Persistent fault (short circuit/ground fault) or internal breaker damage. | Ensure the toggle is pushed fully to "OFF" before attempting to reset to "ON". If it still won't reset, do not force it. Call a qualified electrician. |
| Pēc uzstādīšanas ķēdē nav strāvas. | Breaker not fully seated, loose wiring connections, or main power off. | Verify main breaker is ON. Ensure the BD20/20 is fully seated on the bus bar. Check wire connections for tightness (with power OFF). |
If you are unable to resolve an issue, or if you suspect a serious electrical problem, always contact a qualified and licensed electrician.
8. Specifikācijas
| Atribūts | Vērtība |
|---|---|
| Modeļa numurs | BD20/20 |
| Zīmols | Braients |
| Pašreizējais vērtējums | 20 Amps |
| Voltage Vērtējums | 120/240V maiņstrāva |
| Poļu skaits | 2 |
| Interrupting Capacity (AIC) | 10,000 Amperes |
| Montāžas veids | Plug-In Mount |
| Slēdža tips | Standarta |
| Produkta izmēri | 3 x 1 x 3 collas |
| Svars | 5.86 unces |
9. Garantija un atbalsts
Specific warranty information for the BRYANT BD20/20 circuit breaker is typically provided by the manufacturer or the point of purchase. Please refer to the documentation included with your purchase or contact Bryant customer support for details regarding warranty coverage and terms.
For technical support or inquiries, please contact Bryant customer service or a certified electrician.





