T3200.0080 datasheet, PDF - EEWORLD Datasheet

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T3200.0080: Descriptionindustrial relays insul monitoring relay; CategoryTopical application Mechanical and electrical/engineering/automation; File Size149KB，2 Pages; ManufacturerLittelfuse; Websitehttp://www.littelfuse.com

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industrial relays insul monitoring relay

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T3200 Insulation Monitoring Relay

Double Insulation Monitoring Relay

• Price competitive due to the

combined functions

• Visual indication of power, pick-up

and relay tripping on both relays

• High precision digital countdown

timer for delayed output

• Cost effective and highly reliable

compact design

• 50 hours burn-in before final test

• Operating temperature range:

-20°C to +70°C

• Certified by major marine

classification societies

• Flame retardant enclosure

• DIN rail or screw mounting

Application

The T3200 Insulation Monitoring Relay

is intended for continuous insulation

monitoring on three-phased insulated

networks on board ships.

The T3200 continuously monitors two

systems, galvanically separated from

each other, e.g. the busbar and the

lighting system, or two busbar systems.

The unit features two output relays for

alarm purposes and two analog outputs

for instrument reading. Instruments are

available from SELCO as standard sized

switchboard instruments.

front of the unit. In this way only

continuous earth faults will cause alarm

signals.

The instrument output has been

adapted for connection of a

megaohmmeter which indicates the

actual insulation level, either by means

of two instruments simultaneously

indicating for both insulation systems (I

and II), or by means of one instrument

which can be connected to the two

instrument outputs via a change-over

switch. See connection diagram.

NOTE: The T3200 operates only on AC

installations. Insulation faults in

connection with thyristor controls and

other semiconductor devices can cause

errors in measurements.

Installation

The measuring circuits for the two

insulation systems I and II are

connected to the network as shown on

the connection diagram.

The supply voltage is connected to

terminals 1-3 or 2-3 according to the

supply source.

Function

For each insulation system (I and II) the

electronic measuring circuit will

compare the measured insulation value

to the preset value of the relay. An

insulation drop to a value lower than the

preset value will cause activation of the

corresponding output relay

resulting in alarm signals to be obtained

between terminals 6 and 7 or 9 and 10

(system I or system II respectively).

Consequently, the output relays will be

deactivated when the insulation values

are satisfactory, while insulation values

lower than the preset value will cause

activation of the output relays. This

means that power supply interruptions

will not result in alarm signals as the

output relays normally are deactivated.

The alarm signal can be delayed by

means of a presetting function on the

T3200

SYS.

E2323

SYS. 1

SYS. 2

COM.

INS. 1

INS. 2

Connection Diagram.

T3200.0080 Related Products

	T3200.0080	T3200.0010	T3200.0030	T3200.0020	T3200.0060	T3200.0040
Description	industrial relays insul monitoring relay	industrial relays insul monitoring relay	industrial relays insul monitoring relay	industrial relays insul monitoring relay	industrial relays insul monitoring relay	industrial relays insul monitoring relay

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