NB3LE Residual Current Operated Circuit Breaker with Over-current Protection
Rated residual operating current
I∆n = 30 mA: additional protection in the case of direct contact.
Tripping class
AC class – Tripping is ensured for sinusoidal, alternating currents, whether they be quickly applied or slowly increase.
Tripping curve
B curve (3-5 In) protection and control of the circuits against overloads and short-circuits; protection for people and big length cables in TN and IT systems.
C curve (5-10 In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
CATALOG
NB3LE Residual Current Operated Circuit Breaker with Over-current Protection PDF
Related products
NXB-125G Miniature Circuit Breaker
Rated current: 63, 80, 100(1P, 2P, 3P, 4P), 125(1P, 2P);
Rated voltage: 240V ~ (1P), 415V ~ (2P, 3P, 4P);
Frequency: 50Hz;
Electromagnetic release type: B, C, D;
Number of poles: 1P, 2P, 3P, 4P;
Mechanical life: 20000 cycles;
Electrical life: 6000 cycles (In≤100A); 4000 cycles (In＞100A);
Rated short-circuit breaking capacity(Icn): 10000A;
Short-circuit breaking capacity(Ics): 7500A;
Rated impulse withstand voltage(Uimp): 4kV;
CATALOG
NXB-125G Miniature Circuit Breaker PDF
NL1 Residual Current Operated Circuit Breaker without Over-current Protection (Magnetic)
1.1 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.
1.2 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.
CATALOG
NL1 Residual Current Operated Circuit Breaker PDF
NB310L(3PN) Residual Current Operated Circuit Breaker with over-current protection (Magnetic)
1.1 Function
Personnel and fire protection: Cable and line protection against overload and short-circuits.
1.2 Selection
Rated residual operating current
I∆n ＝30 mA: additional protection in the case of direct contact.
Tripping class
A and AC class
A class tripping is ensured for sinusoidal, alternating residual
currents as well as for pulsed DC residual currents, whether they be quickly or slowly increase.
AC class tripping is ensured for sinusoidal, alternating residual currents, whether they be quickly or slowly increase.
Tripping curve
B curve (3 In-5 In) protection and control of the circuits against overloads and short-circuits; protection for people and big length cables in TN and IT systems.
C curve (5 In-10 In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
1.3 Approvals and certificates
CE/CB/KEMA
1.4 Add-on devices
XF9 auxiliary contacts
S9 shunt release
V9 under voltage release
OVT-1 over voltage release
CATALOG
NB310L(3PN) Residual Current Operated Circuit Breaker with over-current protection PDF
NXB-63 Miniature Circuit Breaker
Overload protection, short circuit protection and isolation. It is widely used in building power distribution, industrial power distribution, as well as control and protection for a variety of equipment with operating current not exceeding 125A.
CATALOGUE: NXB-63 Miniature circuit breaker PDF
NB7 Miniature Circuit Breaker
The NB7 series miniature circuit breaker is applicable to the circuit with an alternating current of 50Hz/60Hz, rated voltage of 240/415V, and rated current up to 63A for overload protection and short circuit protection, and also for not-frequent operational transformation in the circuit under normal condition.
This product can be applied to various places such as industrial, commercial, and tall buildings, and residential houses.
The product meets the standards of IEC60898-1.
NB7 Miniature Circuit Breaker PDF
NB1-63DC DC Miniature Circuit Breaker
1.1 Certificates: CCC,CE,CB,TUV;
1.2 Standard: IEC/EN 60947-2 ,RoHS;
1.3 Rated voltage up to 1000V, Rated current up to 63A;
1.4 Protection of circuits against overload currents;
1.5 Protection of circuits against short-circuit currents;
1.6 NB1-63 DC circuit-breakers are used incommunication systems and PV DC systems.
NL210 Residual Current Operated Circuit Breaker without Over-current Protection
1.1 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.
1.2 Selection
Detectable wave form
Type B
Tripping is ensured for sinusoidal AC residual currents pulsed DC residual currents, alternating residual sinusoidal currents up to 1000Hz, pulsating direct residual currents and for smooth direct residual currents, whether applied suddenly or increasing slowly.
Tripping sensitivity
30mA - additional protection against direct contact.
100mA - co-ordinated with the earth system according to the formula IΔn＜50/R, to provide protection against indirect contacts;
300mA - protection against indirect contacts, as well as fire hazard.
Tripping time
Instantaneous
It ensures instantaneous tripping (without time-delay).
1.3 Approvals and certificates CE, KEMA
1.4 Add-on devices
AX-5 auxiliary contacts
TC-1 terminal cover
CATALOG
NL210 Residual Current Operated Circuit Breaker without Over-current Protection PDF
NBH8LE Residual Current Operated Circuit Breaker with over-current protection (Electronic)
1.1 Function
Personnel and fire protection
Cable and line protection against overload and short-circuits.
1.2 Selection
I∆n = 10mA, 30mA: additional protection in the case of direct contact.
C curve (5-10 In) protection and control of the circuits against overloads and short-circuits;
protection for resistive and inductive loads with low inrush current.
AC class – Tripping is ensured for sinusoidal,alternating currents, whether they be quickly applied or slowly increase.
CATALOG
NBH8LE Residual Current Operated Circuit Breaker with over-current protection PDF
