Relay and Timer Modules
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Stealth Laboratories relay and timer modules provide an easy and inexpensive solution to a variety of control applications. "Wet" contacts are provided, with voltage already present on the common terminal. This saves the need to wire from positive to the common terminal. If desired, the contacts may be made "dry" by cutting a link on the board.
RM-2000         RM-4000
RELAY MODULES
RM-2000: Super-sensitive relay module with one set of Form C contacts. Accepts a positive or negative trigger of only 3mA. 12 or 24 V DC operation. Current draw is 25mA. Size: 1.1 x 1.5 inches. Contacts rated 5A continuous at 28V DC or 120V AC. RM-4000: As RM-2000 but with two sets of Form C contacts (one "dry" and one "wet"). 
RM-3000: Two Form C contacts. No separate trigger voltage required. 30mA trigger. RM-8000: Board with 8 sets of Form C contacts. No separate trigger voltage required. 30mA trigger. 
RM-120AC: A relay module providing two sets of Form C contacts for 120V AC applications. Rated 10A at 120V AC, 5A at 240V AC. Size: 2 1.6 x 1.1 inches.
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TIMER MODULES
TM-60 Multi-purpose timer module: Programmable for 1 second to 60 minutes, beginning on application or removal of the trigger signal. Accepts a positive or negative trigger of less than 3mA. 12 or 24V DC operation. Maximum current draw 65mA at 12V DC, 45mA at 24V DC.Contacts rated 5A continuous at 28V DC or 120V AC. An oscillating flasher option is provided. Size: 3 x 2.5 inches.
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TM-60
TM-66 Multi-purpose timer module for AC or DC operation: AC capability allows the elimination of separate power supply in many applications. Programmable for 1 second to 60 minutes, beginning on application or removal of the trigger signal. Accepts a positive or negative trigger of less than 3mA. 5 to 28V AC or DC operation. Maximum current draw 65mA at 12V, 45mA at 24V. Contacts rated 5A continuous at 28V DC or 120V AC. Size: 3 x 2.5 inches. 
Also available: TM-67 - Programmable from 1 second to 60 hours.
TM-66 Manual
TM-67 Manual
TM-66
TM-365
TM-180DL Delay Timer Module: Application of a trigger signal starts a programmable delay between 1 second and 60 minutes, after which an output relay is activated. This output remains activated until the trigger signal is removed. The trigger signal can be a positive voltage or a closed contact with a trigger current of under 3mA. The relay is Form A rated 5 Amps continuous at 120V AC. 12V DC operation. Size 3 x 2.5 inches.
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TM-180DL
TM-365 365 Day Event Timer:
Form C contacts for latching and momentary operation
Contacts rated 10 Amps at 120V AC/28V DC
Standby current 10mA. 50mA relay on
16 individually programmable daily or weekly events
14 programmable holiday events
Standard and Daylight Saving Time settings
Automatic leap year adjustment
9V battery back-up
LCD display
Easy programming
Crystal controlled
Size: 5½ x 3 x 1 inches (W x L x D)
Download Instruction Manual
Download Instruction Manual
TM-1650 Delayed Trouble / Line Fault Relay Module:  Designed specifically for the GSM-1650 Cellular Backup System.  Provides two active-low (pulled to ground) relay outputs for System Trouble and Telephone Line Fault.  The System Trouble relay output can be instant or delayed from 1 to 15 minutes.  Great for reducing callback service calls to those installations that experience frequent temporary cell service / SMS "dropouts".
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TM-1650
Download Instruction Sheet