Chint NB1-63H/1PC16 single-pole miniature circuit breaker

Chint NB163H/1PC16 is a singlepole miniature circuit breaker with high breaking capacity. It is suitable for circuits with AC 50Hz and rated voltage of 230/400V, mainly providing overload and shortcircuit protection functions.

Основные параметры и функции
Model Meaning

NB1: Series code for Chint miniature circuit breakers;

63: Frame rating current (the maximum current supported by this series is 63A);

ЧАС: Высокая отключающая способность, with an ultimate shortcircuit breaking capacity of 10kA;

1П: Singlepole design, controlling only the live wire;

С16: Кривая отключения типа C, suitable for conventional loads (such as lighting and sockets), with an instantaneous tripping range of 510 раз номинальный ток (то есть, quick tripping occurs when the current is 80160A).

Technical Characteristics

Электрическая жизнь: 4000 операции (for rated current ≤ 32A) или 2000 операции (for 4063A), with a mechanical life of up to 20,000 операции;

Wiring Capacity: Supports a maximum 25mm² copper conductor, adopts screwcompressed terminals, and the torque should be controlled at 2.0Nm;

Экологическая адаптивность: Operating temperature range is 25°C to +60°C. No derating is required when the altitude is ≤ 2000m; when the altitude exceeds 2000m, the rated current is derated by 10% for every 1000m increase in altitude;

Стандарты сертификации: Certified by CCC, CE, and SEMKO, complying with GB 10963.1 и МЭК 608981 стандарты.

Расширение функций

It can be used in conjunction with modular accessories such as S9 auxiliary contacts, V9 alarm contacts, and XF9 shunt trip devices to realize functions like remote control and status indication.

Application Scenarios and Selection Recommendations
Типичные применения

Распределение электроэнергии в жилых домах: Used as a protection switch for lighting circuits (например, LED lamp sets with 16A load) and sockets for small electrical appliances (например, televisions, компьютеры);

Commercial and Industrial Use: Suitable for controlling singlephase equipment below 3kW (например, маленькие кондиционеры, power tools) or as branch protection for distribution boxes.

Selection Comparison

Comparison with Schneider iC65H: Both have a breaking capacity of 10kA, but the price of Chint NB163H is about 30% lower, offering better cost performance; Schneider has a richer accessory ecosystem, making it suitable for complex control requirements;

Comparison with Other Chint Series: NB163H is positioned higher than NB7 (a copy of DZ47), with stronger breaking capacity and reliability. It is close to the highend NB8 series but only costs half the price of the latter.

Меры предосторожности

Derated Use: In highaltitude areas, the rated current needs to be adjusted according to the actual altitude (например, the actual usable current of C16 is 14.4A at 2500m);

Matching Earth Leakage Protector: If earth leakage protection is required, it should be matched with the NB1LE63H series residual current circuit breakers (например, NB1LE63H 1P+N C16 30mA).

III. Installation and Usage

Способ установки

It adopts TH357.5mm standard guide rail installation. The width of the 1P circuit breaker is 18mm (1 модуль), which can be densely arranged in the distribution box.

Price Reference

Международный рынок: Примерно 23 Euros (including VAT) in the European region, suitable for projects with limited budgets.China, Монголия, Южная Корея, Филиппины, Вьетнам, Лаос, Камбоджа, Мьянма, Таиланд, Малайзия, Бруней, Сингапур, Индонезия, Непал, Бутан, Бангладеш, Индия, Пакистан, Шри-Ланка, Казахстан, Кыргызстан, Таджикистан, Узбекистан, Туркменистан, Афганистан, Ирак, Иордания, Саудовская Аравия, Бахрейн, Катар, Кувейт, Объединенные Арабские Эмираты, Оман, Йемен, Турция, Украина, Польша, Чехия, Словакия, Венгрия, Египет, Ливия, Тунис, Алжир, Эфиопия, Сомали, Кения, Танзания, Уганда, Руанда, Центральноафриканская Республика, Камерун, Республика Конго, Демократическая Республика Конго, Замбия, Ангола, Мозамбик, ЮАР, Эсватини, Канада, Соединенные Штаты, Мексика, Доминиканская Республика, Перу, Боливия, Бразилия, Чили, Аргентина, Уругвай, Парагвай