NHR17 Fuse-Switch Disconnector
1.1 NHR17 series fuse-swith disconnector is a new product developed by our company.
Rated insulation voltage up to 800V.
rated operational voltage up to 690V.
rated operational current up to 630A,
rated frequency 50Hz,
in the distribution circuit and motor circuit which has high short-circuit current as the power switch, isolating switch,
emergency switch as well as circuit protection,but normally it is not used to make and break a single motor directly.
1.2 Standard: IEC/EN 60947-3.
Related products
DZ158 Moulded Case Circuit Breaker
1.1 Function
protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
1.2 Selection
Technical data of the network at the point considered:the earthing systems (TNS, TNC),short-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,network normal voltage.
1.3 Approvals and certificates
Detailed information, please refer to Certificates Table on the last page.
CATALOG
DZ158 Moulded Case Circuit Breaker(DC type)
NB1-63G Miniature Circuit Breaker
1.1 Function
protection of circuits against short-circuit currentsprotection of circuits against overload currents,switch,isolation,
NB1-63G circuit-breakers are used in domestic installation,as well as in commercial and industry electrical distribution systems.
1.2 Selection
Technical data of the network at the point consideredshort-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,
Network normal voltage.
Tripping curves:
B curve (3-5In)
protection for people and big length cables in TN and IT systems.
C curve (5-10In)
protection for resistive and inductive loads with low inrus current.
CATALOG
NB1-63G Miniature 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
NB3LEU Residual Current Operated Circuit Breaker with Over-current Protection
1.1 Selection
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.
1.2 Approvals and certificates
CATALOG
NB3LEU Residual Current Operated Circuit Breaker with Over-current Protection PDF
NXB-63H Miniature Circuit Breaker
Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A,;
Rated voltage: 240V ~ (1P, 1P+N), 415V ~ (2 ~ 4P, 3P+N);
Frequency: 50Hz;
Electromagnetic release type: B, C, D;
Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P;
Mechanical life: 20000 cycles;
Electrical life: 10000 cycles;
Rated short-circuit breaking capacity: 10000A;
Short-circuit breaking capacity: 7500A;
Rated impulse withstand voltage: 4kV;
CATALOG
NXB-63H Miniature circuit breaker PDF
HDLRT0 Fuse for Distribution
HDLRT0 Fuse for Distribution
1.Electric ratings: AC50Hz, AC380V/DC400V, up to 1000A;
2.Application: for protection of power distribution apparatus against over-load and short circuit;
3.Standard: IEC 60269.
