Products > Low Voltage Switchgear > Control Relays, Voltage Protection Relays & EOCRs > Schneider > Voltage Protection Relays & EOCRs
Voltage Protection Relays & EOCRs
SAMWHA EOCRs are used for over-current monitoring and tripping. The Relays are suitable for direct use from 0.5HP to 5HP (with a 6.5A relay) and up to 40HP (with a 60A relay), through CTs for motors of up to 500HP.
| Type: EOCRSS05/60NU | |
| Supply Voltage | 100VAC – 240VAC/DC |
| Contacts | 1C |
| Starting Delay Time Setting Range | 1 to 30 sec |
| Operating Time Setting Range | 0.5, 1 to 10sec |
| Contact Rating | 3A/250VAC |
| Load Current Setting Range | i.0.5A to6.5A, ii. 5A to 60A |
| Type: EOCRSS-05/60S | |
| Supply Voltage | 24 – 240VAC/DC |
| Contacts | 1A+1B |
| Starting Delay Time Setting Range | 1 to 30 sec |
| Operating Time Setting Range | 0.5, 1 to |
| 10 sec Contact Rating | 3A/250VAC |
| Load Current Setting Range | i.0.5A to 6.5A, ii.5A to60A |
FEATURES
- Over current Monitoring & Tripping: Suitable for direct use from 0.5HP to 5HP (with 6.5A relay) and up to 40 HP (with 60A relay) or through CTs up to 500HP motors (with 6.5A relay)
- Protection against phase-loss (Single Phase operation)
- Shock Relay
- Ammeter Reading
- No-Volt Relay
- UL Approved
- Mounting: Surface or DINRail
| Type: EOCR-SSD | |
| Supply Voltage | 220VAC ±15% |
| Starting Delay Time | 1 ~30sec |
| Trip Time | 0.5, 1~10sec |
| Contact Ratings | 2 –SPST, 3A250VAC |
| Load Current |
|
Higher currents with external CT
FEATURES
- Over current Monitoring & Tripping
- MCU based, 2 CT type
- Real Time processing & high precision
- Digital Display: Trip cause/easy troubleshooting
- Reset: Manual/Electrical
- Load Selection 1 Phase or 3 Phase
- Fail Safe: No Volt Relay selectable
FEATURES
- MCU based, Real-time processing / HighPrecision
- Three Integral Current Transformers “HoleTypes”
- 3 TCC (Time –Current Characteristics)- Definite, Inverse and Thermal Inverse: Selectable
- Thermal protection / Inverse TCC available up to 32A without external
- Communication: Modbus /RS-485
- Alert operation function: Aux, Flicker, Hold
- Digital AmmeterReading
- Reset: Manual / Auto / Electrical:Selectable
- Trip Cause Memory: Stores up to 3 latest TripCauses
- Available application on single and 3 PhaseMotor
- No Volt Release Selectable
- 5 digit 7-Segment LEDs display
- Total Operation HoursRecording
- Stall, Jam, Current imbalance Protection functions built-in
| Type:EOCR-i3DM | (Display Built-in), Mounting: Panel / Din-Rail With Over current, Undercurrent, Ammeter & Communication (RS485 Modbus) with Pre-Trip Alarm. |
Specification
| Supply Voltage | 100 ~240VAC/DC |
| Load Current Setting Range | 0.5 ~80A |
| Delay Time(D-Time) | 0 ~ 200sec |
| Operating Time(O-Time) | 0.2 ~ 30sec |
| Inverse & Thermal | 1 ~ 30classes |
| Undercurrent | OFF,0.5~5s |
| Auto Reset | 0.5s~20min |
| Contact Ratings | Overload: 1a1b, Pre trip (Al): 1a,(3A/250VAC) |
| Phase Loss | OFF, 0.5 ~ 5SAdjustable |
| Phase Reverse | Within 0.15s |
For higher motor setting currents please use separate CT up to 800 / 5A
Type: EOCR-i3MS
- With built-in display
- Mounting: Panel / Din-Rail
Type:EOCR-iFMS
- Display Separated
- Mounting: Panel / Din-Rail / Flush Mount
- With Overcurrent, Undercurrent, Short circuit Protection, Ammeter, and Communication (RS-485 Modbus)
| Supply Voltage | 100 ~240VAC/DC |
| Load Current Setting Range | 0.5 ~ 25A (EOCR -I3MS) |
| 0.5 ~ 60A (EOCR -IFMS) | |
| Delay Time(D-Time) | 0 ~ 200sec |
| Operating Time(O-Time) | 0.2 ~ 30sec |
| Inverse & Thermal | 1 ~ 30classes |
| Undercurrent | OFF,0.5~5s |
| Short Circuit Current Setting | Sc Setting 200 ~ 2200% of 0.5~10A current settingrange. |
| Adjustable Time Delay 0 ~ 30S, O-time: 0.05S Setting Range: 2~11 times for 20A. | |
| Auto Reset | 0.5s~20min |
| Contact Ratings | Overload: 1a1b, Short Circuit: 1a,(3A/250VAC) |
| Phase Loss | OFF, 0.5 ~ 5SAdjustable |
| Phase Reverse | Within 0.15s |
For higher motor setting currents please use Separate CT up to 800 / 5A
Type: EOCR-i3MZ
- Display built-in
- With–Over current, Undercurrent, Earth Fault, Ammeter and Communications (RS485 Mod bus)
Specification
| Supply Voltage | 100 ~240VAC/DC |
| Load Current Setting Range | 0.5 ~80A |
| Delay Time(D-Time) | 0 ~ 200sec |
| Operating Time(O-Time) | 0.2 ~ 30sec |
| Inverse & Thermal | 1 ~ 30 classes |
| Undercurrent | OFF, 1 ~ 10sec |
| Ground Fault | GF delay time (EDT): 0~30s, GF O-time (ET):0.05~10s |
| Earth Fault | Setting Range: Off,0.05~10A |
| Contact Ratings | Overload: 1a1b, GR: 1a, (3A / 250VAC) |
| Phase Loss | OFF, 0.5 ~ 5S Adjustable |
| Phase Reverse | within 0.15s |
For higher motor setting currents Please use separate CT up to 800 / 5A
Type: EOCR-i3MZ
- Display built-in
- WithOvercurrent, Undercurrent, Earth Fault, Ammeter and Communications (RS485Modbus)
Specification
| Supply Voltage | 100 ~240VAC/DC |
| Load Current Setting Range | 0.5 ~80A |
| Delay Time(D-Time) | 0 ~ 200sec |
| Operating Time(O-Time) | 0.2 ~ 30sec |
| Inverse & Thermal | 1 ~ 30classes |
| Undercurrent | OFF, 1 ~ 10sec |
| Ground Fault | GF delay time (EDT): 0~30s, GF O-time (ET):0.05~10s |
| Earth Fault | Setting Range: Off,0.05~10A |
| Contact Ratings | Overload: 1a1b, GR: 1a, (3A / 250VAC) |
| Phase Loss | OFF, 0.5 ~ 5SAdjustable |
| Phase Reverse | within0.15s |
For higher motor setting currents Please use separate CT up to 800 / 5A
Type: EGR
PROTECTIONS
| Protective Item | Ground Fault Specification |
FEATURES
- MCU based compact design
- Ground fault protection withZCT
- Trip & Run indication
- Manual / Electrical Reset
SPECIFICATION
| Ground Fault (GF) | Type | Range |
|---|---|---|
| Current Setting | 10N-M | 100mA – 1,000mA |
| Trip Time Setting | O-Time | 0.2-2.0 sec |
| Reset | Manual / Electrical (Push Reset Button or Interrupt Supply Power) | |
| Power Supply | 110/220VAC, 50/60Hz | |
| Contact Rating | Model/Rating status | 1-SPDT (1C), 3A/250VAC Resistive Normally De-energized |
| Mounting | 35mm DIN-Rail / Panel |
