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WST-PMZ
Winston
■ MCU( Microprocessor Control Unit )Based
■ Convenient installation
-PMZ:Panel Mounting Type
■ Full mode function:easy to set
■ Three Integral Current Transformers
■ Full cover protection Function
■ Wide Current Range protection from 0.1A to 3600A by just 1 model
■ Built-in digital ammeter
■ Total running time display
■ Current display like L1 -> L2 -> L3 -> GF...
■ Bar-Graph monitoring on impending overload trip
■ Selectable time-current characteristics[Inverse/Inverse based on thermal Memory (Thermal Inverse) /Definite]
■ 4~20mA current loop communcations
■ Test Function
■ Operates in wide ambient temperature range
■ Selectable Fail-safe Operation/ No volt Release(FS:ON
1. over current
2. phase loss
3. locked rotor
4. phase reversal
5. phase unbalance
6. 3 phase monitor
7. under current
8. under current
| Protective Item | Trip Time |
| Over-current | DEF:0.2~30 sec, INV:1~30 class |
| Under-current | 0.5~30 sec |
| Phase Reversal | 0.1~0.3 sec |
| Phase Unbalance | within 8 sec |
| Ground Fault | DEF:0.1~10 sec, INV:1~10 class |
| Locked Rotor | 0.5 sec after d-time |
| Stall | 0.05~10 sec |
| Current Setting Range | Over-Current(oc) | 0.1~3600A(Over 60A with External CTs) | ||
| Under-Current(uc) | OFF/0.5~less than "OC" setting | |||
| Ground Fault Current(Ec) | OFF | |||
| 0.3~1A definite/inverse (selectable) | ||||
| with External CT(Option) | ||||
| Time Setting | Starting Delay Time(dt) | OFF~200sec | ||
| Over-Current Trip Time(ot) | Definite Time | 0.2~30sec | ||
| Inverse Time | 1~30class(30curves) | |||
| Under-Current Trip Time(ut) | 0.5~30sec, definite time characteristics, if "uc" mode selects OFF, then ut is automatically disabled. | |||
| Ground Fault Trip Time(Et) | Definite/Inverse : 0.05, 0.1~1~10 sec | |||
| Ground Failt Starting Time(Edt) | OFF/1~10 sec | |||
| Tolerance | Current | ±5% | ||
| Time | ±5% | |||
| Conrol Power | 220 | 85~250VAC/DC, 50/60Hz | ||
| Output Relay | OL(SH) | 1-SPDT(1C) | 3A/250VAC, Resistive | |
| GR | 2-SPST | 3A/250VAC, Resistive | ||
| Environment | Temperature | Store | -30 ~80 ℃ | |
| Operation | -20 ~60 ℃ | |||
| Humidity | 30~85% RH, Non-Condensing | |||
| Display | 7-Segment LED | 3phase current,Trip cause, Operating hou | ||
| Bar-Graph | Load factor for current setting(50~100%) | |||
| Insulation | Between casing and circuit:over 10MΩ, 500VDC | |||
| Dielectric Strength | Between casing and circuit | Between casing and circuit 2000VAC,60Hz, 1min | ||
| Between open contacts | Between casing and circuit 2000VAC,60Hz, 1min | |||
| Between circuit | Between circuit 2000VAC,60Hz, 1min | |||
| Electrostatic Discharge | IEC61000-4-2 | Lever3:Air Discharge:±8kV, Contact Discharge:±6kV | ||
■ MCU( Microprocessor Control Unit )Based
■ Convenient installation
-PMZ:Panel Mounting Type
■ Full mode function:easy to set
■ Three Integral Current Transformers
■ Full cover protection Function
■ Wide Current Range protection from 0.1A to 3600A by just 1 model
■ Built-in digital ammeter
■ Total running time display
■ Current display like L1 -> L2 -> L3 -> GF...
■ Bar-Graph monitoring on impending overload trip
■ Selectable time-current characteristics[Inverse/Inverse based on thermal Memory (Thermal Inverse) /Definite]
■ 4~20mA current loop communcations
■ Test Function
■ Operates in wide ambient temperature range
■ Selectable Fail-safe Operation/ No volt Release(FS:ON
1. over current
2. phase loss
3. locked rotor
4. phase reversal
5. phase unbalance
6. 3 phase monitor
7. under current
8. under current
| Protective Item | Trip Time |
| Over-current | DEF:0.2~30 sec, INV:1~30 class |
| Under-current | 0.5~30 sec |
| Phase Reversal | 0.1~0.3 sec |
| Phase Unbalance | within 8 sec |
| Ground Fault | DEF:0.1~10 sec, INV:1~10 class |
| Locked Rotor | 0.5 sec after d-time |
| Stall | 0.05~10 sec |
| Current Setting Range | Over-Current(oc) | 0.1~3600A(Over 60A with External CTs) | ||
| Under-Current(uc) | OFF/0.5~less than "OC" setting | |||
| Ground Fault Current(Ec) | OFF | |||
| 0.3~1A definite/inverse (selectable) | ||||
| with External CT(Option) | ||||
| Time Setting | Starting Delay Time(dt) | OFF~200sec | ||
| Over-Current Trip Time(ot) | Definite Time | 0.2~30sec | ||
| Inverse Time | 1~30class(30curves) | |||
| Under-Current Trip Time(ut) | 0.5~30sec, definite time characteristics, if "uc" mode selects OFF, then ut is automatically disabled. | |||
| Ground Fault Trip Time(Et) | Definite/Inverse : 0.05, 0.1~1~10 sec | |||
| Ground Failt Starting Time(Edt) | OFF/1~10 sec | |||
| Tolerance | Current | ±5% | ||
| Time | ±5% | |||
| Conrol Power | 220 | 85~250VAC/DC, 50/60Hz | ||
| Output Relay | OL(SH) | 1-SPDT(1C) | 3A/250VAC, Resistive | |
| GR | 2-SPST | 3A/250VAC, Resistive | ||
| Environment | Temperature | Store | -30 ~80 ℃ | |
| Operation | -20 ~60 ℃ | |||
| Humidity | 30~85% RH, Non-Condensing | |||
| Display | 7-Segment LED | 3phase current,Trip cause, Operating hou | ||
| Bar-Graph | Load factor for current setting(50~100%) | |||
| Insulation | Between casing and circuit:over 10MΩ, 500VDC | |||
| Dielectric Strength | Between casing and circuit | Between casing and circuit 2000VAC,60Hz, 1min | ||
| Between open contacts | Between casing and circuit 2000VAC,60Hz, 1min | |||
| Between circuit | Between circuit 2000VAC,60Hz, 1min | |||
| Electrostatic Discharge | IEC61000-4-2 | Lever3:Air Discharge:±8kV, Contact Discharge:±6kV | ||
