A microprocessor based reliable device used for the protection of system (HV & LV) where temperature controlled environment is involved. High precision and better efficiency is the main aim to achieve for the protection of equipment by installing this device. Alarm and trip signaling after occurrence of event or even during occurrence has efficiently been managed during R&D of this product which resulted into efficient device.

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a. General Description :

A microprocessor based reliable device used for the protection of system (HV & LV) where temperature controlled environment is involved. High precision and better efficiency is the main aim to achieve for the protection of equipment by installing this device. Alarm and trip signaling after occurrence of event or even during occurrence has efficiently been managed during R&D of this product which resulted into efficient device

b. MODEL :

Mainly two models are available:

(a) Latch Type (EL-L-501 Type)

(b) Without Latch Type (EL-WL-500 Type)

c. Specification

Function : Programmable annunciator (EL-WL) & Manual reset Rated supply

Voltage : 90VAC, 240VAC

Rated Frequency : 45Hz to 65 Hz ± 5%

Output Power : 23W

Power consumption : 10W

No. of windows : 04

Fault input contacts : Selectable NO /NC type for every channel (Buchholz and Temperature). Dry type i.e. Potential free contacts)

LED Colour : ALARM-RED, ACK-Yellow, ON-Green

Annunciator front size : 152mm X 112mm (HXW)

Panel Cutout : 137mm x 97mm

Control output (No. of Relays) : 2 NC & NO Trip contacts on Annunciator

Test facility : Provided (LAMP TEST button, operational test)

Push Buttons : Built-in

Ambient temperature : -10°C to +55°C

Storage : -25° C to + 80° C

Electrical life (under full load) : 105operations minimum

Electrical connections : Cage clamping terminals

Dimension : 152 x 112 x 163 mm (H x W x D)

Enclosure type : Panel mounting