ZG1.6-1,ZG2.5-1 Series IC Card Pre-paid Gas Meter
ZG1.6-1, ZG2.5-1 Series IC card prepayment gas meter is a kind of intelligent prepaid flow meter. It applies to measure the flux of flammable material such as natural gas, liquefied petrol gas, marsh gas and gas in city’s pipeline etc. The applied pressure is from 0.5 to 20 kPa.
The gas meter adopts intelligent metering control device, with immunity to magnetic field, strong confidentiality, high reliability, etc. It adopts LCD display with 8 digit.
The gas meter are in compliance with the requirements of CJ/T 112-2008、class B of GB/T6968（-1997）, JJG577-2005.
Related products
NB1L 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.
I∆n ≤300 mA: preventative fire protection in the case of ground fault currents.
Tripping class
AC class
Tripping is ensured for sinusoidal,alternating currents, whether they be quickly applied or slowly increase.
A class
Tripping is ensured for sinusoidal, alternating residual currents as well as for pulsed DC residual 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.
1.3 Approvals and certificates
Detailed information, please refer to Certificates Table on the last page.
CATALOG
NB1L 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
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.
CATALOG
NB1-63DC DC 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
