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Products I Motor / Pump Protection Relays I F3 DRC1



F3 DRC1
Phase Failure
Unbalance
Phase sequence
Overloading and dry running Auto/Manual Reset
Adjustable current trip settings
Adjustable overload characteristics
1CO output relay
Supply Voltage
System : 220-240/380-440 V AC ±20% 50/60 Hz ±3%
Auxillary : 110 / 240 / 380/ 415 V AC ±20% 50 / 60 Hz

Output Relay Contact : 1 CO

Input : From CTS

Trip Setting
Phase to phase unbalance : 50% of I FLC
Under current (Dry running) : 50% or 75% of I SET
Overload : Above 120% of set current (IDMTL)
UV/OV : N.A.

Trip Time Delay
On phase failure : 5.5 secs. ± 1.5 secs.
For overloading : As per selectable inverse time Characteristics
2 - 10 secs. (variable)
UV/OV RP : N.A.

Resetting : Auto / Manual / Remote

Approx Weight : 425 gms.

Dimensions (mm)
Overall (L x W x D) : 96 x 96 x 76
Mounting (L x W) : 92 x 92

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

Selection Chart For CTS Times full Load Current
S2 CTS1 S2 CTS1
Timing/ Relay logic Diagram

Electrical Connection Diagram

F3 DRC1 F3 DRC1

Relay contact position shown in 'Power off' condition
Suitable for Panels in Following Apllications:
Submersible Pump Control Panels.
Air Handling Unit Fans.
Belt Conveyor Motor panels for zero speed sensing.
 
 
 
 



MODELS

Motor / Pump Protection Relays

Microprocessor Based Pump Automation System

Winding Over - Temperature Protection Relays