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CHINT RCCB TYPE "A" 3P+N & 2P 40A 30MA RCCB-10KA (NL1-63)

General : -

Function :

• Control electric circuits.
• Protect people against indirect contacts and additional protection against direct contacts.
• Protect installations against fire hazard due to insulation faults.
• Residual current circuit breakers are used in housing, tertiary sector and industry.

Selection :

• Detectable wave form

AC class

• Tripping is ensured for slowly increasing sinusoidal AC residual currents.

A class

• Tripping is ensured for sinusoidal AC residual currents and for pulsed DC residual currents, whether applied suddenly or increasing slowly. 

S, G/SI class

• Tripping is ensured not only for sinusoidal AC residual currents but also for pulsed DC residual currents whether applied suddenly or increasing slowly.
• S, G/SI type with filters against spurious tripping caused by harmonics and transient surges.
• With the impact of 8/20us surge 3000A, this high immunity RCCB will still be in stable status.

Tripping sensitivity 

• 10mA - precision instrument leakage protection and bathroom use.
• 30mA - additional protection against direct contact.
• 100mA - coordinated with the earth system according to the formula IΔn ＜50/R, to provide protection against indirect contacts;
• 300mA/500mA - protection against indirect contacts, as well as fire hazard.