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Monitoring Relays

S2 CMR5

Single phase under & over current,

Microcontroller based design, SMD technology,

Auto/Manual reset, Input 1A or 5 A through CT, 250mA/500mA direct

Zero Current Sensing,Adjustable under / over current trip settings,

Adjustable trip delay & ON delay,

2 CO output relay (or selectable 1CO for UC, 1CO for OC)

Failsafe-non-failsafe mode selectable

Single phase under & over current,

Technical Data

S2 CMR5 Monitoring Relays Diagram- Minilec group

S2 CMR5 Monitoring Relays Diagram 1- Minilec group

System Supply

System 110-120/220-240/380-440 V AC ± 20%,
Auxillary 110-120/220-240/415 VAC±20%, 2VDC ± 20%

Ext. Input

Ext. Input 1 Amp or 5 Amp (Secondary) CT 250 mA/500 mA

Output Relay Contact

Output Relay Contact 2 CO

Trip Setting

EF Trip Setting -
Under Current10% -100% (Variable) of input
Over Voltage 50% -140% (Variable) of Input

Trip Time Delay

Trip Time Delay1 - 10 sec (adjustable) ± 1%

Power on Delay

Power on Delay 1 - 10 sec (adjustable) ± 1%

Reset

Reset Auto / Manual

Weight

Weight140 gms.

Dimensions (mm)

Overall (L x W x D)90 x 35 x 60
Mounting (L x W)35 mm rail Mounting

Note:

Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

Monitoring Relays

S2 CMR5

Single phase under & over current,

Microcontroller based design, SMD technology,

Auto/Manual reset, Input 1A or 5 A through CT, 250mA/500mA direct

Zero Current Sensing,Adjustable under / over current trip settings,

Adjustable trip delay & ON delay,

2 CO output relay (or selectable 1CO for UC, 1CO for OC)

Failsafe-non-failsafe mode selectable

Single phase under & over current,

Technical Data

System Supply

Ext. Input

Output Relay Contact

Trip Setting

Trip Time Delay

Power on Delay

Reset

Weight

Dimensions (mm)

Note:

Applications

Generator panels / AMF Panels

Fan Belt Failure Monitoring

Dry Run of Pumps

No Load Monitoring of Motors

Load Monitoring of Conveyor

Capacitor bank

Ice Cream making Machines, Softy Machines

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