Jim D. Gray & Associates, Inc.

Supporting O.E.M.’s since 1977

Electronic Overloads

 0A to 80A

ELECTRONIC OVERLOAD SELECTOR TABLE

 

 

Microprocessor based

 

Phase Protection

Phase current unbalance:

Trips within 5 seconds when the phase current unbalance exceeds 50%

Phase Loss / Phase failure:

Trips within 3 seconds when phase current is 70% unbalanced

Phase reversal:

Trips within 1 second with the event of reverse phase current or miswire

Class 1-30: Infinitely selectable

 

Easy Installation

Screw terminal and tunnel type terminal in single unit

Installed with screws or 35mm din-rail

 

Fully Adjustable overload relay

Six models cover up 1/4 to 50HP

1-5A range can be used with external CTs to cover applications over 80A

Wide range current adjustment and Class 1-30 adjustment fits any application

Built in stall protection provides maximum protection to the motor

(trips at 170% of full load amps at 3 seconds)

 

Simplified operation & troubleshooting

LED Indicates motor status and displays causes of faults including over / under current,

failure by phase, & reversal

 

 

CONTACTORS & THERMAL OVERLOADS AVAILABLE

 

CT, VT & RELAYS

 

 

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972-699-9976