Breakers & protection
CHINT NB1-63 AC Miniature Circuit Breaker
6kA AC miniature circuit breakers for overload and short-circuit protection in distribution boards.
Product range · Confirm the exact supplied model in your quotation.
Motor protection and manual switching for pumps, fans and industrial motor circuits.
Selections describe your requirements. Our team confirms the exact available part number and compatible combination.
Your enquiry opens in WhatsApp for you to review and send.
THE DETAILS
Sunlight can review the circuit design, fault level and required accessories before identifying the exact part number in your quotation. Ratings shown describe a range; not every combination is offered. Share the motor’s rated voltage, phase, full-load current and starting arrangement for selection.
| Series | NS2 |
|---|---|
| Frame families | NS2-25, NS2-32 and NS2-80 variants |
| Protection | Motor overload, short-circuit and phase-failure functions, model dependent |
| Selection | Adjustable current band must match motor nameplate current |
| Insulation voltage | 690V |
| Frequency | 50/60Hz |
| Trip class | 10A in the manufacturer catalogue for listed variants |
| Standards | IEC/EN 60947-2 and IEC 60947-4-1 |
| Ambient reference | −5°C to +40°C; 24-hour average ≤35°C |
| Impulse withstand | 8kV |
| Pictured model | NS2-25, 0.4–0.63A; other current bands differ |
Manufacturer information checked 3 November 2026. Model and regional variants may differ. Your written quotation identifies the equipment offered, with its applicable datasheet and terms.
Tell us your city, quantity and whether you need supply only or installation.
Confirm the exact model, price, availability, accessories and agreed work before ordering.
Review product warranty documents and the installation and after-sales responsibilities.
Our team confirms current stock, supply arrangements and any delivery charges in your quotation.
Equipment supply, installation, protection and accessories are separate scope items unless your quotation explicitly includes them.
Share the model numbers of your existing equipment and your intended load. We will review the proposed combination before confirming the selection.
OUR PRESENCE
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Main Shahra-e-Faisal, Karachi.
Address and opening details will be announced here.
Address and opening details will be announced here.
Address and opening details will be announced here.