1245 dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. specifications and availability subject to change. www.tycoelectronics.com technical support: refer to inside back cover. agastat catalog 1308242 issued 3-03 VTM3 series interval timing module interval timing mode reliable solid state timing circuitry. excellent transient protection. compact design. flame retardant, solvent resistant housing. file e60363 file lr33434 timing mode interval. timing specifications timing ranges: 0.5 to 10 / 3 to 60 sec.; 3 to 60 min. timing adjustment: external resistor or potentiometer. an external resistance of 1 megohm is required to obtain the maximum time for all ranges. to determine the actual resistance needed to obtain the required time delay, use the following formula: r t = ( ) x 1,000,000 ohms accuracy: repeat accuracy: 1% overall accuracy: 2% at r = 1 megohm. reset time: 50 ms, max. output switch data arrangement: solid state 1 form a (spst-no). rating: 1a, inductive, at nominal operating voltage. expected electrical life: 100,000,000 operations at rated load. outline dimensions wiring diagram mechanical data mounting: panel mount with one #8 screw. termination: 0.250 in (6.35) quick connect terminals. weight: 4 oz. (112g) approximately. environmental data temperature range: storage: -40 c to +85 c. operating: -40 c to +65 c. users should thoroughly review the technical data before selecting a product part number. it is recommended that user also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application. ordering information authorized distributors are likely to stock the following: none at present. initial dielectric strength between terminals and mounting: 3,000vac rms. between input and output: 1,500vac rms. t req - t min t max - t min an external resistance of 1 megohm is required to obtain the maximum time for all ranges. to determine the actual resistance needed to obtain the required time delay, use the following formula: r t = ( ) x 1,000,000 ohms t req - t min t max - t min VTM3 a cd || | series VTM3 input voltage time range interval a = 120vac/vdc cd = 0.5 - 10 sec. timing module e = 24vac/vdc dd = 3 - 60 sec. q = 12vac/vdc gd = 3 - 60 min. load input voltage 1 2 5 3 4 r polarity shown for dc models t 2.00 (50.8) 2.00 (50.8) .170 dia (4.32) accepts #8 screw .250 (6.35) x .032 (.813) quick connects 1.25 (31.8) .885 (22.5) input data @ 25 c voltage:( 10%): 12 vac/vdc, 24vac/vdc, 120 vac/vdc. power requirement: 4w, with rated load. transient protection: non-repetitive transients of the following magni- tudes will not cause spurious operation of affect function and accuracy. operating voltage <0.1 ms <1 ms 12, 24 vac/vdc 860v* 208v* 120 vac/vdc 2,580v 2,150v* * min. source impedance of 100 ohms. current drain: less than 5ma.
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