PR 202 220Vac 380Vac Electronic Overload Relays 3-phase Motor Protection Relay
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PR 202 220Vac 380Vac Electronic Overload Relays 3-phase Motor Protection Relay
Description
PR202 motor protector is an all-in-one solution designed to continuously monitor 3-phase power lines for abnormal conditions. It can use with motors of any size or type.
When the PR202 sense the motor runs into the preset abnormal alarm value, PR202 will automatically trigger the release switch to shut down the circuit. Option RS485 communication port can upload the monitor data and alarm status to remote control system.
Features
l Low cost electronic design relay, can replace a variety of single function protection relays.
l Suit for Motor under 0.66KV.
l Build in 3P CT for current sampling, suit for current under 200A.
l 2 digital outputs for external control loops.
l Optional RS-485 network communications.
l Optional earth leakage sensor or analog output.
Application
l With or without a zero-sequence core-balance current transformer
l With or without an external RTD module
l Across-the-line starting
l Star-delta starting
l Two-speed motors
Specification
Electrical parameters | |
Auxiliary Power | 85-265Vac/dc |
Power consumption | <4 VA |
Insulation resistance | >100MΩ |
Relays | 5A/250VAC, 5A/30VDC (NO contact) |
Motor rated voltage | AC220V / AC380V / AC660V |
Motor rated current | 0.5-200A use internal CT |
Impulse withstand voltage | 4 kV |
Measuring accuracy: | |
Current | ± 0.5% @ 10~120% Ie |
Voltage | ± 0.5% @ 10~150% Ue |
Temperature | ± 1% @ 0.1~30 K |
Analog Output | ± 1% (4 ~ 20mA) |
External port: | |
Comm port(2) | RS485 MODBUS-RTU |
Digital output | Regular 2DO, max 6DO(4) |
Analog Output | 1AO |
SOE | 10 |
Working environment: | |
Working temperature | -10C ~ +55°C |
Storage temperature | -30C ~ +70°C |
Relative humidity | < 93% RH |
Elevation | Less than 3000 m |
Electrical test: | |
Standard reference | IEC 60947-1 |
IEC 60947-4 | |
Electrostatic discharge | Severity: level III |
Severity | Severity: level III |
Surge | Severities: level III |
Voltage Characteristics | Between two of the power / input / output between AC2kV/1min |
(1) leakage sensor is optional accessories.
(2) PR 260 have independent communication module, please refer ordering information.
(3) PR 260 have independent I/O module, optional active contact node (220Vac/dc or 110Vdc).
Other models use passive contact node; relay body provide 15Vdc loop power.
(4) PR 260 have independent I/O module, DO trip functions can free to configuration.
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