Grizzly G8296 Thermal Relay Overload, On Button, Manual/Auto Reset Lever, OFF Button

Thermal Relay Overload

Amp Adjustment Dial: Turn this dial to meet your motor manufacturer's thermal overload amp setting specification. Typically this setting is 100-110% of what is listed on the motor data plate as the max amp load. Remember, turning this dial has no effect on increasing motor horsepower. If this dial is turned to an amp setting that is too high, the motor can overheat and be damaged before the relay trips.

Trip Indicator: If the window is flagged yellow, the thermal relay has tripped.

Manual Contactor Override Lug: When pushed, the contactor is manually closed for troubleshooting purposes only.

ON Button:

When pushed, power is sent to the magnetic field coil and the contactor closes and sends power to the motor.

Manual/Auto Reset Lever:

In the up position, the thermal relay is in manual reset mode, where if tripped, you must first push the

red and then the green ON button reset button on the outside of the main cover to reset the thermal relay. In the down position, the thermal relay will automatically reset when it

Manual Trip Test Lever: If the thermal relay function

is in question, use a wooden toothpick to slide the yellow test lever to the left. If the motor

shuts off, the thermal relay has tripped and is functional.

OFF Button:

When pushed, the current going to the magnetic field coil is cut, which opens the contactor and cuts power to the motor.

Parts Breakdown

has cooled.

Reset Button:

When pushed, the thermal relay is reset and the yellow flag shown in the trip indicator window is cleared.

10

11

1

9

3 48

5	7
	6

22-1

REF PART #		DESCRIPTION
1	P4571001	SWITCH BOX
2	P4571002	SWITCH BOX COVER ASSEMBLY
2-1	P8294002-1	DATA LABEL, HNFB-16KK
3	P8293003	CONTACTOR TECO CN-16 440V
4	P4571004	FIELD SWITCH TECO CNA-1
5	P8296005	RELAY TECO RHN-10K 12.5-18

REF PART # DESCRIPTION

6P4571006 CONTACTOR RETAINER

7	PS55M	PHLP HD SCR M3-.5 X 10
8	P4571008	CAPTURED GROUND SCR M4-.7 X 10
9	PS10	PHLP HD SCR 10-24 X 1-1/2
10	P4571010	LIQUID-TITE STRAIN RELIEF
11	P4571011	RUBBER SEAL

COPYRIGHT © JANUARY, 2008 BY GRIZZLY INDUSTRIAL, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE

REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#CR10367 PRINTED IN TAIWAN