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LIMITED ONE YEAR WARRANTY

If within the warranty period specified, this product fails due to a defect in material or workmanship, Intermatic Incorporated will repair or 

replace it, at its sole option, free of charge. This warranty is extended to the original purchaser only and is not transferable. This warranty 

does not apply to: (a) damage to units caused by accident, dropping or abuse in handling, acts of God or any negligent use; (b) units which 

have been subject to unauthorized repair, opened, taken apart or otherwise modified; (c) units not used in accordance with instructions; 

(d) damages exceeding the cost of the product; (e) sealed lamps and/or lamp bulbs, LED’s and batteries; (f) the finish on any portion of the 

product, such as surface and/or weathering, as this is considered normal wear and tear; (g) transit damage, initial installation costs, removal 

costs, or reinstallation costs.
INTERMATIC INCORPORATED WILL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. SOME STATES DO NOT 

ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR 

EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES.  ALL 

IMPLIED WARRANTIES, INCLUDING THE WARRANTY OF MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR 

PURPOSE, ARE HEREBY MODIFIED TO EXIST ONLY AS CONTAINED IN THIS LIMITED WARRANTY, AND SHALL BE OF THE SAME 

DURATION AS THE WARRANTY PERIOD STATED ABOVE. SOME STATES DO NOT ALLOW LIMITATIONS ON THE DURATION OF AN 

IMPLIED WARRANTY, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
This warranty service is available by either (a) returning the product to the dealer from whom the unit was purchased, or (b) completing a 

warranty claim on line at www.intermatic.com. This warranty is made by: Intermatic Incorporated, Customer Service 7777 Winn Rd. Spring 

Grove, Illinois 60081-9698. For warranty service go to: http://www.intermatic.com or call 815-675-7000.

6

158--01071-REV2

 

 

 

DTMV40 Series

Time Initiated, Temperature, Pressure or Time

Terminated Multi-Voltage 40 A Defrost Timers

SPECIFIERS GUIDE

Furnish and install a Grasslin DTMV40 defrost control which is

field adjustable for 120V or 240V operation and shall have defrost

initiation times settable to the quarter hour via captive trippers at 15

minute intervals. The defrost timer shall be housed in a UL TYPE 3R 

indoor/outdoor plastic enclosure. The relay output will be rated for 

40A Resistive, 2HP @ 240VAC. Defrost termination to be by time (and

by a remote temperature or pressure switch).

SPECIFICATIONS:
Maximum Contact Switch Rating:

40A Resistive @ 120VAC, 208~240VAC

2HP @ 208~240VAC; 1HP @ 120VAC

16FLA, 90LRA @ 120VAC

12FLA, 52LRA @ 240VAC

“F” TERMINAL:

30A Resistive @ 120~240V AC

1HP @ 120VAC; 2HP @ 208~240VAC

WIRING CONNECTIONS: 

Screw box lug terminals. Up to one #8 AWG wire

ENVIR ONMENTAL RATINGS:

Operating Temperature Range: –40 °F to 131°F (–40°C to 55°C)

Operating Humidity: 0 - 95% RH, non-condensing

ELECTRICAL LIFE: 

50,000 Operations at Full Load

DIMENSIONS: 

8.795” x 6.631” x 2.935” (H x W x D)

SHIPPING WEIGHT:

AGENCY APPROVALS: UL LISTED 

3 lbs.

FEATURES

• DTMV40 replaces over 40 competitive models

• Multi-Voltage field adjustable for 120, or 208/240VAC

• Mounts in existing enclosures, no tools required

• Box lug terminals

• Defrost times settable on quarter hour with captive trippers

• UL TYPE 3R outdoor enclosure

• 40 Amp, 2HP Rating

• Moisture resistant conformal coated board    

• LED indications for defrost and refrigeration cycles

• Compact outdoor UL TYPE 3R enclosure

• Defrost cycles are programmed independently

• “Real-time” clock for quick, easy and accurate setting

NO TOOLS 

REQUIRED! 

Our “GUTS” simply snap

into existing enclosures

Moisture Resistant 

Conformal Coated Board

Ground Lug Termination

Red and Green LED

Lights Indicate

Defrost or Run Cycle

Large Screw 

Terminals for Easy Wiring

Up to one #8 AWG wire

40 Amp Rated 

Contacts

Captive Trippers

Can’t Be Lost

Independently

Adjustable Trippers

Allow For Full or 

Partial Defrost Cycles

on 15 Minute Intervals

True Clock Face

New Compact 

UL TYPE 3R

Outdoor Enclosure

Replaces All Metal

Enclosures

Easy Multi-Voltage

Field Adjustable 

DIP Switch for 

120 or 208/240 VAC 

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