DIGITAL EARTH LEAKAGE RELAY

DIGITAL EARTH LEAKAGE RELAY

Salient Features

• Current display in percentage.
• User settable trip level and timer delay.
• DIN Rail mount.
• CBCT open circuit detection.
• CBCT available in various sizes.
• Compliance with IEC 947-1.

Advantages

• DIN Rail mount.
• Protects human life.
• Constant leakage current detection.
• CBCT open circuit detection.
• Fewer nuisance trips.

Applications

• Generator Control Panel.
• Distribution Control Panel.
• Protection Control Panel.

Input SPECIFICATIONS

Status Normally de-energised
Reset Manual

Supply Specifications

Supply Voltage 90-270V AC/DC (±15%)
Supply Frequency 50/60 Hz
Power Consumption 3VA max.

Output SPECIFICATIONS

Alarm Relay Output( optional ) 50% of Range 1 SPDT switch NO(5A and 240V AC)
NC (5A and 240V AC)
Trip Relay Output 80-90% of Range 1 SPDT switch NO (5A and 240V AC)
NC (5A and 240V AC)
Relay Contacts 1 potential free contact (NO,C & NC)
Contact Rating 6A/230V AC/28V D

Environmental Specifications

Operating Temperature -10 C to 70 C
Storage Temperature -20 C to 50 C
Humidity <95% RH

Functional Specifications

Set Point (0.03, 0.10, 0.30, 0.50, 1.0, 3.0, 5.0, 10.0,20.0 & 30.0 A)
Power ON Delay Approx. 1 sec
Trip time Delay 0.04 to 10 sec
CBCT Sizes 35mm, 70mm, 120mm, 210mm and any other rectangular/round
CBCT on request

Mechanical Specifications

Weight 228 g
Dimensions 45x90x75mm (WxHxD)
Mounting DIN Rail (35mm)
Enclosure ABS Thermoplastic

User Settable Parameters

Range Set 0.03, 0.10, 0.30, 0.50, 1.0, 3.0, 5.0, 0.0,20.0 & 30.0 A
Delay Set 0.04, 0.06, 0.15, 0.25, 0.5, 0.8, 1, 2.5, 5, 10 Sec

DIMENSIONs

Connection Diagram

Functional Diagram