1. Recording Current Transformer (ZRR-CXX Series)
a. Main Features:
(1)、With excellent linearity, wide working range, perfect consistency
(2)、With excellent transient characteristics, real waveform transfer, and can bear 10-20 times
instantaneous impact from rated current and still be unsaturated
(3)、Simple circuit, no need for external work power, reliable operation
(4)、Can effectively inhibit the interference of group-signal from electrical fast transient pulse
(5)、Reliable insulation between primary winding and vice edge winding, winding and shielding
(6)、Voltage and current can transfer to its place at a time，then insulate and convert the
measured current into voltage directly
b. Electrical Parameters:
(1)、Rated input current (Lin): 0–10A
(2)、Secondary output voltage: 0–10V
(3)、Non-linearity: Ratio difference ＜±0.1%; Angle difference ＜±5′
(4)、Range of linearity：10%～4000% （or more）rated current
(5)、Frequency characteristic: 45~800HZ
(6)、Limitation of power consumption: 0.5VA
(7)、Insulation resistance: 500MΩ @500VdC
(8)、Operating temperature: -40℃~+85℃
(9)、Power frequency withstands voltage: 3kV 2mA 1min
(10)、Output load resistance:＞50KΩ
(11)、Structure：Epoxy encapsulating
(12)、Outer casing：PBT heat-resistant material or ABS flame-retardant material
(13)、Terminal：input→copper wire, output→pin
2. Recording Voltage Transformer (ZRR-VXX Series)
a. Main Features:
(1)、There’s a settled proportional relation between primary voltage and secondary voltage,
so that any changes of electric potential in primary load will be accurately reacted in the instrument or
other devices that in parallel with secondary terminal
(2)、Reliable insulation between primary winding and vice edge winding, winding and shielding
(3)、With excellent linearity, wide working range, perfect consistency
(4)、Simple circuit, no need for external work power, reliable operation
b. Electrical Parameters:
(1)、Rated input voltage: 0–500V
(2)、Secondary output voltage: 0–10V
(3)、Non-linearity: Ratio difference ＜±0.1%; Angle difference ＜±5′
(4)、Range of linearity：5%～120% （or more）rated current
(5)、Frequency characteristic: 45~800HZ
(6)、Limitation of power consumption: 0.5VA
(7)、Insulation resistance: 500MΩ @500VdC
(8)、Operating temperature: -40℃~+85℃
(9)、Power frequency withstands voltage: 3kV 2mA 1min
(10)、Output load resistance:＞50KΩ
(11)、No-load current in rated voltage
(12)、Structure：Epoxy encapsulating
(13)、Outer casing：PBT heat-resistant material or ABS flame-retardant material
(14)、Terminal：input and output→pins
