Bryant BD20/20
BRYANT BD20/20 Circuit Breaker User Manual
Model: BD20/20
1. المقدمة
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. معلومات السلامة
تحذير: 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.
- تأكد من اتباع جميع القوانين الكهربائية المحلية والوطنية أثناء التثبيت.
- التحقق من المجلدtagتتوافق تصنيفات التيار الكهربائي لقاطع الدائرة مع متطلبات النظام الكهربائي.
- لا تقم بتركيب أو تشغيل قاطع الدائرة إذا بدا تالفًا.
- استخدم معدات الحماية الشخصية المناسبة، بما في ذلك القفازات المعزولة ونظارات السلامة.
- لا تتجاوز أو تamper مع آليات الحماية الخاصة بقاطع الدائرة.
3. انتهى المنتجview
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. الإعداد والتثبيت
مهم: Ensure all power to the electrical panel is OFF before proceeding with installation. Use a voltage tester to confirm the absence of power.
- انقطاع التيار الكهربائي: Locate the main service panel and turn off the main breaker to completely de-energize the panel.
- الوصول إلى اللوحة: Carefully remove the cover of the electrical panel to expose the bus bar and wiring.
- وضع القاطع: Identify an available slot on the bus bar that is compatible with the BD20/20's plug-in design.
- تثبيت: Align the circuit breaker with the bus bar and firmly push it into place until it clicks securely. Ensure both poles are properly seated.
- التوصيلات الكهربائية: 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).
- اتصالات آمنة: Tighten the terminal screws to the specified torque to ensure a secure and safe electrical connection.
- إعادة تجميع اللوحة: Replace the electrical panel cover, ensuring all screws are tightened.
- استعادة الطاقة: Turn the main breaker back ON at the service panel.
- الاختبار: Test the circuit protected by the newly installed breaker to confirm proper operation.
5. تعليمات التشغيل
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.
- لتشغيل: Push the red toggle(s) firmly to the "ON" position.
- لإيقاف التشغيل: Push the red toggle(s) firmly to the "OFF" position.
- لإعادة ضبط قاطع الدائرة الكهربائية المعطل: 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. الصيانة
Circuit breakers like the BRYANT BD20/20 are generally maintenance-free. However, periodic visual inspection is recommended.
- تفتيش سنوي: 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).
- تنظيف: 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.
- الاختبار: While not typically required for residential breakers, some commercial or industrial applications may require periodic testing by a qualified professional.
7. استكشاف الأخطاء وإصلاحها
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| انقطاع التيار الكهربائي بشكل متكرر. | دائرة كهربائية محملة بشكل زائد، أو دائرة كهربائية قصيرة، أو عطل أرضي. | خفف الحمل على الدائرة الكهربائية. افصل الأجهزة الكهربائية. افحص الأسلاك بحثًا عن أي تلف. إذا استمرت المشكلة، استشر فني كهرباء مؤهل. |
| لا يتم إعادة تعيين القاطع. | 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. |
| No power to circuit after installation. | 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. المواصفات
| يصف | قيمة |
|---|---|
| رقم الموديل | BD20/20 |
| ماركة | براينت |
| التقييم الحالي | 20 Amps |
| المجلدtagتقييم هـ | شنومكس / شنومكسف أس |
| عدد البولنديين | 2 |
| Interrupting Capacity (AIC) | 10,000 Ampايريس |
| نوع التركيب | تركيب المكونات في |
| نوع قواطع دوائر | معيار |
| أبعاد المنتج | 3 × 1 × 3 بوصة |
| وزن | 5.86 أونصات |
9. الضمان والدعم
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.
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