NDB1LE-63 Type B RCBO, Nader

Application

NDB1LE-63 type B residual current circuit breaker with overcurrent protection provide protection for sinusoidal AC residual current, pulsating DC residual current, composite residual current, and smooth DC residual current at frequencies up to 1kHz, applicable to new energy, charging station, intelligent building, industrial control and other occasions where frequency conversion technology is used. NDB1LE-63 type B residual current circuit breaker with overcurrent

protection (type B RCBO) has the following functions:

• Short circuit protection
• Overload protection
• Residual current protection (type B)
• Isolation (1PN, 3PN not applicable)

Specifications

Other parameters

• Isolating function (1PN, 3PN not applicable)
• Leakage visualization
• Wiring
• Tunnel type wiring mode
• Wiring capacity: Copper cable 1~25mm²
• Standard torsional moment: 2.0N.m
• Protection class
• Protection class of the circuit breaker body: IP20
• To be installed in the distribution box: IP40

Time-current curves

• Type C curve
• Protect the conventional load and distribution cable
• Rated current: 6A~63A
• Tripping characteristics: Instantaneous tripping range 5In~10In
• Type D curve
• Protection of industrial power distribution system
• Rated current: 6A~40A
• Tripping characteristics: Instantaneous tripping range 10In~14In

Type C (5In~10In) Type D (10In~14In)

Working conditions

• Ambient temperature: -25℃~+60℃
• Storage ambient temperature: -40℃~+80℃
• Damp heat resistance: When the ambient air temperature is 55℃, the relative air humidity is ≤95%
• No more than 2000m, in case of use at the higher altitude, refer to the requirements of the miniature circuit breaker for derating. Refer to GB/T 20645 Special environmental conditions technical requirements for low voltage apparatus used in plateau
• Pollution degree: 2
• Can withstand the effects of salt mist and oil mist
• In a medium without explosion risk, and where the medium is not sufficient to corrode metals and damage insulation with gases and conductive dust
• In a place where there is no rain or snow invasion

Installation

It can be easily installed on the TH35mm×7.5 standard guide.

Packaging and storage

The maximum packaging quantity (1PN product: 4 pieces/box, 2P product: 3 pieces/box,3P/3PN product: 2 pieces/box, 4P product: 1 piece/box), 12 boxes/box, packaged products should be stored in a warehouse with air circulation and relative humidity not exceeding 80%, temperature not exceeding+80℃, and not lower than -40℃. Store in a warehouse without acidic, alkaline, or other corrosive gases in the surrounding air. Under the above conditions, the storage period shall not exceed 3 years from the production date.