Catalogs >
TECO ELECTRIC & MACHINERY Co., Ltd. >
EOCR_Digital Electronic Over Current Relay

EOCR_Digital Electronic Over Current Relay
1 / 6Pages

Catalog excerpts

EOCR_Digital Electronic Over Current Relay - 1

Electronic Protection

EOCR_Digital Electronic Over Current Relay - 2

Electronic Protection Relays Feature Compact Design MCU Bassed Multiple Protection Functions Wide Current Adjusment Range (10:1) Ammeter Function & Trip Indication Easy Trobuleshooting & Run Monitor Manual Instanditive / Electrical Remote Reset Test Function Ambient Insensitive Normally relay energized (N type) 3 Integral Current Transformer Electronic Shear-pin Function Independently Adjustable Starting Trip Run Monitor & Troubleshooting with 2-LED’s Delay (D-TIME) & Trip (O-TIME) 2 LED Lamps on the dial plate provide easy troubleshooting and run-monitor functions Motor Status Pulse Signal...

Open the catalog to page 2

EOCR_Digital Electronic Over Current Relay - 3

Typical Wiring In case line voltage in 380V or 440V. the isolated step-down transformer for power supply to LED should be used. 2 Integral Current Transformer Normaiiy relay energized (N type) Independently Adjustable Starting Trip Output Relay Delay (D-TIME) & Trip (O-TIME) Protection Protective Item Operating (Trip) Time Time - Current Characteristic Curve Time (sec) Locked Rotor ManualReset button ElectronicReset after stopping power supply Ambient Temperature 20∼60℃ (Operating) Ambient Temperature 30∼80℃ (Storge) Between casing & circuit Over 2kV (60Hz) for 1 min. Current Setting...

Open the catalog to page 3

EOCR_Digital Electronic Over Current Relay - 4

■.Fitted to EOCR relays for Large Amp Motor Protection

Open the catalog to page 4

EOCR_Digital Electronic Over Current Relay - 5

Electronic Protection Relays Features Looping Option Motors that require one-third or one-fourth the relay capability can use the same size relay by looping wires 2 or 3 times. Each additional loop will increase the current measured by one time of the single loop. Compact Design Multiple Protection Function Wide Current Adjustment Range (10:1) Trip Indication High Accuracy Manual Instantaneous Reset Electrical Remote Reset Test Function Ambient Insensitive Low Energy Consumption Normally relay energized (N type) O-Time Setting 12 0 Se co nds (Wh en In2Ie) Preset O-Time (Wh en InIs) Looping...

Open the catalog to page 5