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  • LEADING PROVIDER

    OF INDUSTRIAL SOLUTIONS

  • PRODUCT BEST RATE
  • NO. 1 EASTERN INDIA
  • LEADING PROVIDER

    OF INDUSTRIAL SOLUTIONS

  • PRODUCT BEST RATE
  • NO. 1 EASTERN INDIA

SPECIFICATIONS – REGULAR

Product Features:

  • Suitable for screw mounting(except ST4-M1).
  • 7 segment display indication for channel and timing operation (except ST-4M1).
  • User friendly programming for ON/OFF time selection independently (except ST-4M1).
  • Hold /Restart feature is available during power failure, Over voltage protection(except ST-4M1).
  • ST-6M1 / ST-10M2 / ST-10M1 : pulse start signal.
  • ST-15M2 / ST-4M1 : continuous start signal.
  • S1D-C8M3 : Comprises of 8 Relays and each relay can be programmed for maximum of 8 switchings in a cycle.
  • Potential free (Zero volts) continuous start signal and continuous signal from differential pressure switch is mandatory for operating the timer.
ModelST6-M1ST10-M1ST10-M2
FunctionSequential timer with 6 channelsSequential timer with 10 channels
Rated supply voltage85V to 270V AC, 85V DC to 270V DC
Differential pressure signal (DP1, DP2)N.A
Rated frequency50 / 60Hz  ±5%
Power consumptionAC approx.15VA / 3W
Control Output6 – (Rly0 to Rly5, NO relay contacts rated for 10A@250V AC / 28V DC resistive)10 – (Rly0 to Rly9 NO relay contacts rated for 10A@250V AC / 28V DC resistive)10 – (OP0 to OP9) Triac outputs rated for 500mA@250V AC resistive
Start signal (S1, S2)Potential free closure signal for minimum 150msecPotential free closure signal for minimum 120msecPotential free closure signal for minimum 150msec
Conduction time (O1, O2)> 150msec> 120msec>150msec
Time rangeOn time: 0.10secs to 99hrs 59min.

Off time: 0.10secs to 99hrs 59min.

On time: 0.01secs to 99hrs 59min.

Off time: 0.01secs to 99hrs 59min

 

Setting accuracy± 0.1% max w.r.t setting ± 50msec± 0.2% max w.r.t setting ± 20msec
Repeat accuracy± 0.05% max. ± 50msec± 0.3% max. ± 20msec
Recovery time2sec minimum2sec minimum
Variation due to voltage change± 1% max ± 50msec± 1% max ± 50msec
Variation due to temp. change± 2% max ± 50msec± 2% max ± 50msec
Variation due to frequency change±1% max ±50msec± 1% max ± 50msec
Ambient temperatureOperation: -100C to +550C, Storage: -250C to +800C
HumidityMax. 85% RH @ 400C
Service life (under no load)106 operations minimumN.A
Electrical life (under full load)105 operations minimum
Rated frequency of operation1800 ± 5% operations per hour maximum
Insulation resistance> 100M ohms @ 500V DC
Di-electrical strength2.5KV AC, 50Hz for 1minute. (Between current carrying and non-current carrying parts).

1.5KV AC, 50Hz for 1minute. (Between contacts and control circuit).

750VAC, 50Hz for 1minute. (Between non-continuous contacts of the relay).

 

N.A
Electrical connectionScrew type terminals with self lifting clamps
Dimension (over-all)200 x 130 x 45mm (W x H x D)
Enclosure (series)S1D series

Connections:

Dimensions:

Timing Diagram:

Hints on correct use:

  • Output from triac is possible only for AC supply.

Caution:

  • Do not apply any voltage across S1 & S2, DP1 & DP2.
  • Do not shift HOLD / RESTART slide switch when the timer is in operation.
  • Application of voltage other than the specified one, will permanently damage the timer.
  • Use 2.5mmU-type lugs with sleeve for connections and wiring .
  • NOTE : User should not apply external voltage to the terminals that are designated as potential free(Zero/No Volt).