SchK96, SchK120
Specifications
Documentation
Overall drawings
Related products
|
Type |
Overall dimensions, mm |
Panel cutout, mm |
Sign height, mm |
Weight, kg, max. |
|
SchK96 |
96 х 96 х 103 (w/ rear cover) 96 х 96 х 75,6 (w/o rear cover) |
92х92 |
14 |
0.4 |
|
SchK120 |
120 х 120 х 103 (w/ rear cover) 120 х 120 х 75,6 (w/o rear cover) |
112х112 |
20 |
0.5 |
|
Accuracy class |
0.5 or 1.0 |
|
Temperature range (operating) |
-40 °С... +55 °С (UKhL3.1) |
|
Maximum indication range |
0...9999 |
|
Standard frequency range measured signals |
45...65 Hz |
|
Number of measuring channels |
1, 2 or 3 |
|
Protection extent on the front frame |
IP40 |
|
Interface |
RS485 (protocol Modbus RTU) |
|
Interface exchange rate |
9600, 19200, 38400, 57600 baud. |
|
Analogue output per each displayed parameter (accuracy class 0.5) |
0...5 mA, 0…20 mA, 4...20 mA |
|
Digital output |
DC voltage 300 V, 100 mA or AC voltage 200 V, 100 mA |
|
Maximum permissible input signal overload |
150% (2 hours) |
|
Time of setting output analogue signal, max |
1.0 s |
|
Power supply |
– 12 VN (12+6/-3) VDC, – 24 VN (24+12/-6) VDC, – 220 VU from 85...253 VAC, (50 ± 0.5) Hz or 120 ... 265 VDC, – 230 V from 85...253 VAC, (50 ± 0.5) Hz |
|
Power consumption, max |
12.5 V•А |
|
Input resistance at voltage measurement, min. |
– 50 kΩ For the meters with measurement limit of 50 V; – 100 kΩ For the meters with measurement limit of 100 V; – 250 kΩ For the meters with measurement limit of 250 V; – 450 kΩ For the meters with measurement limit of 500 V. |
|
Voltage drop at the input when measuring current (max.): for measurement range 500 mA, 1000 mA, 2000 mA, 1 А, 2 А, 5 А |
30 mV |
|
Calibration interval |
36 months |
|
Guarantee period |
24 months |
|
Mean life, min |
15 years |
|
Mean time between failures, min |
100,000 h |
|
Note: it is possible to connect the outer circuits according to the designation of connector contacts to the terminals “for screw” using a cord of up to 4 mm2 in cross-section, multi-core wires of up to 2.5 mm2. When connecting supply DC voltage of 120...265 V to power contacts “L”, “N”, any polarity is possible. |
|
Order form
SchK а – b1, b2, b3 – c – d – e – f – g – h – i
а – meter type (by dimensions):
SchK96 – 96х96
SchK120 – 120х120
b1, b2, b3 – measurement range*:
V: 50; 100; 250; 500
mA: 500
А: 1; 2; 5
V**: 380; 660
kV**: 3; 6; 10; 11; 15; 20; 35; 100; 110; 150;
220; 330; 400; 500; 750
А***: 1; 5; 10; 15; 20; 30; 40; 50; 75; 80; 100;
150; 200; 300; 400; 500; 600; 750; 800
kA***: 1; 1,2; 1,5; 2;3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20;
25; 28; 30; 32; 35; 40
Hz****: 45…65
* – measurement range is specified for each channel
** – connection through outside voltage transformer with secondary winding rated voltage of 100 V.
*** – connection through outside current transformers with secondary winding rated current of 1 A or 5 A
**** – first channel voltage frequency
с – digit:
4,0
d – power:
12 VN (12+6/-3) VDC
24 VN (24+12/-6) VDC
220 VU from 85...253 VAC, (50 ± 0.5) Hz or 120...265 VDC
230 V from 85...253 VAC, (50 ± 0.5) Hz
e – interface:
RS – RS485 (obligatory specified)
f – digital outputs:
21 – digital output per each channel
00 – no digital outputs
g – analogue outputs:
А – 0…5 mA per each channel
B – 4…20 mA per each channel
C – 0…20 mA per each channel
– with the absence, this parameter is not specified
h – indicators colour:
R – red,
G – green,
Y – yellow
i – accuracy class:
0,5
1,0
Ordering example
SchK120-500V, 200V, 200V-4.0-24VN-RS-21-А-R-0.5 TU 25-7504.206-2009
For SchK120 meter with the measurement range the first channel – 0...500 V, the second and third channels – 0...200 V with direct connection, supply voltage of 24 VN DC, interface RS485, digital outputs, analogue outputs of 0...5 mA, red indicators, accuracy class 0.5.
