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Changzhou Dacan Electronic Co., Ltd Mob: +86(0)13915077376 Tel: +86-519-85606622 Fax: +86-519-85607968 E_mail: sales@czdacan.com Web: www.czdacan.com |
1. Summarize
DC30M is suitable for 3-phase AC asynchronous motor monitoring, protection and control. Featured with compact modular structure, small volume and easy installation, it can be applied to all kinds of draw-out, fixed or mixed cabinet, such as MNS、GCS、GCK、GGD…
2. Typical Product Pictures
3. Models and Meaning of Products
4. Factory Default
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Mutual Inductor Rated Current (A) |
Mutual Inductor Primary Turns (T) |
Setting Current (Is) Rang (A) |
Power of Motor (kW) |
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6.3 |
1 |
1.6~6.3 |
0.37~3 |
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30 |
1 |
6.3~30 |
3~15 |
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100 |
1 |
30~100 |
15~55 |
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250 |
1 |
63~250 |
30~132 |
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800 |
1 |
250~800 |
132~440 |
5. Main Functions
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Model Product function |
Function configuration |
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Default |
Optional |
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Protection function |
Start overtime |
√ |
－ |
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Over load |
√ |
－ |
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Over current jam |
√ |
－ |
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Phase loss |
√ |
－ |
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Current unbalance |
√ |
－ |
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Earthing |
√ |
－ |
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Short circuit |
√ |
－ |
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Leakage current (With external CT) |
－ |
√ |
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Under load |
－ |
√ |
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Temperature (PTC / NTC) |
－ |
√ |
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Over voltage (control loop voltage) |
－ |
√ Voltage function |
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under voltage (control loop voltage) |
－ |
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Frequency |
－ |
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Under power factor |
－ |
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Phase protection |
－ |
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Running mode |
Protection |
√ Programm-able |
－ |
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Direct start directly |
－ |
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Reversible bidirectional start |
－ |
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Star-delta start with two relays |
－ |
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Star-delta start with three relays, open loop |
－ |
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Star-delta start with three relays, closed loop |
－ |
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Auto-transformer transformer start with two relays |
－ |
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Auto-transformer transformer start with three relays, open loop |
－ |
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Auto-transformer transformer start with three relays, closed loop |
－ |
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Communication |
RS485 Interface, Modbus-RTU protocol |
－ |
√ |
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Opto-couplers signal input |
√ |
－ |
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Relay output |
Control relay J1, programmable |
√ |
－ |
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Signal relay J2, programmable |
√ |
－ |
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Analog output |
1-way DC4-20mA, programmable |
－ |
√ |
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LED indicate |
Run, Bus, Fault |
√ |
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Measurement display |
Thermal resistance |
√ Voltage function |
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Three-phase voltage |
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Frequency |
－ |
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Power factor |
－ |
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Active/Reactive power |
－ |
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Three-phase current |
√ |
－ |
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Ground/Leakage current |
√ |
－ |
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Three-phase current unbalance ratio |
√ |
－ |
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Thermal capacity |
√ |
－ |
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Protection setting |
All protection parameters enquiry and adjust |
√ |
－ |
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System setting |
System time setting |
√ |
－ |
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Fault record |
More than 8 time fault signals, resolution 1s |
－ |
√ |
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Statistical information |
Real-time reading total running time, total stop time, operation times, stop times |
－ |
√ |
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Remark: 1) “√” means the model has the function. 2) “ – “ means the model doesn’t have such function. 3) The number means channel, for example: 2 means the model has the function with 2 channels. |
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6. Technical Specifications
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Description |
Parameters |
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Power supply |
AC/DC 85~265V,220V, AC380V (�15%) |
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Power consumption |
15W / 15VA |
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Rated voltage of motor |
AC0~1000V (50Hz) |
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Rated current of motor |
2A (0.5A~2A) |
Internal current mutual inductor detection module. |
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5A (1A ~ 5A) |
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6.3A (1.6 ~ 6.3A) |
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30A (6.3A ~ 30A) |
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100A (30A ~ 100A) |
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250 A (100A ~ 250A) |
External current mutual inductor detection module. |
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800 A (250A ~ 800A) |
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800 A (300A ~ 800A) |
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Contactor capacity |
Control Relay |
AC250V / 5A |
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Signal Relay |
DC30V / 5A |
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On-off input (External active node) |
Opto-couplers isolation, AC/DC 220V |
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Work environment |
Temperature |
-10℃～55℃ |
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Relative humidity |
≤93％RH |
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Altitude |
Non-corrosive gas forum, Altitude ≤2500m |
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Storage environment |
Temperature |
-20℃～75℃ |
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Relative humidity |
≤93％RH |
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7. Outline Dimension
8. Typical Functions Wiring Diagram
Note: the above diagram is only for reference, the actual parameters in the factory shall prevail.
9. Ordering Example
l Model: DC30M-010FT
l Input Signal: AC220V, 50Hz
l Rated Current Of Motor: 10A
l Communication: RS485, Modbus-RTU
l Quantity: 100pcs
l Additional Function: DC4-20mA analog output
l Installation: split structure, 3m away
l Other: other factory pre-sets (if no indication when ordering, ex-factory products will be delivered in accordance with the default setting).
