1, three phase phase current protection component
2,three-stage zero-sequence current protection component (independent tripping or alarm)
3, two-stage low zero sequence current protection component (can be independent tripping or alarm, can be used for unbalanced current protection of capacitors)
4, acceleration protection component (phase current and zero sequence current)
5, inverse-time protection component (phase current, high zero sequence current and low zero sequence current)
6, overload component (alarm and trip, can be set independently)
7 ,reclosing component
8, low frequency protection component
9, low voltage protection component
10,overvoltage protection component
11, zero sequence overvoltage protection component
12,No voltage protection component
13,Motor start fast break protection component
14,Negative sequence overcurrent component
15, overheat protection component
16,locked-rotor protection component
17,Long start protection component
18,non-electrical protection component (6 channels, can input trip or alarm, used as ordinary signal when exiting)
19, PT break detection (alarm or trip possible)
20,CT break detection (alarm or trip possible)
21,Control loop disconnection monitoring
1 Environmental condition
Normal temperature：-10℃~55℃
Limiting temperature：-30℃~70℃
Storage temperature：-40℃~85℃
2 Rated data
Device power supply:AC/DC 110/220V or DC24V/48V (Order indication)
State quantity level: The device comes with 24VDC inside and is passively opened outside
Operating power supply:DC220V，AC220V，DC110V，DC48V (Order indication)
Rated AC data：
a) Line voltage 100 V or 380V (Order indication)
b) Alternating current 5A or 1A (Order indication)
c) Rated frequency 50Hz
3 Power consumption
a) DC circuit Normal operation: no more than 10W
Action: No more than 15W
b) AC voltage loop Not more than 0.5VA per phase
c) AC current loop The rated current is 5A:Not more than 1VA per phase
The rated current is 1A:Not more than 0.5VA per phase
4 Main performance technology
4.1 Precise working range of sampling loop
voltage：0.005~1.2Un
current：0.08In~20In
4.2 Precision of various components
current element： <±2.5%
voltage element： <±2.5%
time element: When 0s~2s, the error is not more than ±40ms;
When more than 2s, the error is not more than ±3%;
5 Overload capacity
AC current loop 2 times the rated current continuous operation
10 times the rated current allow to work 10s
40 times the rated current allow to work 1s
AC voltage loop 1.2 times the rated current continuous operation
Power supply circuit 80%~110% rated voltage continuous operation
☆The device adopts a new generation of high-performance 32-bit CPU, so that the stability and computing speed of the product are fully guaranteed.
☆ The acquisition module adopts 16-bit A/D converter, and the measurement and calculation indexes can easily meet the requirements.
☆ A large-capacity storage module can record up to 32 wave recording reports, recording at least 1000 events, and maintaining power failure.
☆ The high precision clock chip ensures the accuracy of the clock when the device loses power.
☆ Careful electrical design, the whole machine has no adjustable devices, to realize the concept of debugging.
☆ High-grade, high-quality components selection.
☆ Complete self-diagnosis function.
☆ Case design with moisture, dust and vibration resistance.
