3 Phase Protection Relay Testing Device is applied to test the relay unit in relay protection system. At the same time it could be considered as a universal three phase AC/DC voltage source or current source.
It s applied to test protection replay based on voltage and current operation.
The main function of the tester include: calibration of voltage and current operation relays, secondary circuit inspection,trip value of circuit breaker test, switch on and off time measurement of circuit breaker and so on.
3 Phase Protection Relay Testing Device is a low cost, simple operation and reliable performance device for secondary circuit test.

Features:

Intelligent mainframe that is used high speed DSP
Separately running
Microcomputer control, it can also connect with computer for operation
16 bit DAC chip
Large LED screen display
New type power amplifier
Current, voltage output directly
Self-protection
Easy operation
Abundant contact
Compounded structure
Abundant capabilities against low price

Specifications:

No.	Items		Specifications
Alternating Current(AC) output
1	Output accuracy		0.5magnitude
2	Phase current output (effective value)		0~30A
3	Three parallel phase current output (effective value)		0~90A
4	Phase current value with long time under permission (effective value)		10A
5	Phase current maximum power output		420VA
6	Three parallel phase current maximum power output		900VA
7	Three parallel phase current maximum work time		10s
8	Frequency range (base wave)		20~1000Hz
9	Harmonic frequency number		1~20 time
Direct Current(DC) output
1	Output accuracy		0.5magnitude
2	Current output		0 ~ ± 10 A/each phase 0 ~ ± 30 A/every three parallel
3	Maximum output of load voltage		20v
Alternating Voltage output
1	Output accuracy		0.5magnitude
2	Phase voltage output (RMS)		0 ~ 120v
3	Line voltage output (RMS)		0 ~ 240v
4	Phase voltage/line voltage power output		80VA/100VA
5	Frequency range (base wave)		20 ~ 1000Hz
6	Harmonic frequency number		1 ~ 20 times
Direct voltage output
1	Output accuracy		0.5magnitude
2	Phase voltage output amplitude		0 ~ +160v
3	Line voltage output amplitude		0 ~ + 320v
4	Phase voltage/line voltage power output		70VA/140VA

1	AC current and voltage error		<0.5%RDG+0.05%FS
2	DC current error		<0.5%RDG+0.05%FS
3	DC voltage error		1%RDG+0.1%FS
4	Binary input		Active node 0~250V, 0~6V for “0”, 6~250V for “1”, passive node: 20mA max
5	Binary output		DC 220V/0.2A, AC 220V/0.5A
The switch quantity and time measurement
1		Switch parameters input	7 ways; Empty contact: 1~20mA, 24v; Power contact access: “0”: 0-+6V; “1”:+11 V-+250V;
2		Switch parameters output	2 couples DC: 220V/0.2A; AC: 220V/0.5A
3		Time measurement	Measuring range: 0.1ms - 9999s / 0.1ms

1		Power supply	AC220V ± 10%, 50Hz/60Hz
2		Environment temperature	0~50°C
3		Humidity	≤85%RH
4		Weight	<18KG

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