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Time Mark Corporation - Model 553 - Re-Acc. Relay(Signaline) Time-Mark.com

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The Model 553 Re-Acceleration Relay is designed to take the place of a voltage sensing relay and two time delay relays. When voltage is applied to the Model 553, and the external start switch is closed, the adjustable on-delay time begins. After the delay period, the contacts will close.

If the line voltage drops below 90 volts, the contacts open and the true-off delay begins. If the voltage rises above 102 volts before the true-off delay has elapsed, the contact will re-close.

If voltage is not restored to 102 volts before the true-off delay time period ends, the contacts will remain open until the external start switch is closed.

Versions 553-01/ 553-02/ 553-03/ 553-04
Nominal Voltage 120VAC 60 Hz
Trip Point Drop Out 90VAC
Trip Point Pick Up 102VAC
On Delay (Sec) 1-30 /1-120 /0.1- 40 /0.5 -1.0
True Off Delay (Sec) 1-10 /1-10 /1-10 /0.1- 2.0
Power Consumption 5 watts typical
Transient Protection 2500 VRMS for 10msec
Repeat Accuracy ± 0.5%
Response Time 100 msec
Dead Band ± 2%
Contact Rating 10A at 120VAC resistive
Expected Relay Life Mech: 10 million operations
Elec: 100,000 operations at rated load
Operating Temperature +14º to +122º F
Humidity Tolerance 0 to 97% without condensation
Enclosure Material Polycarbonate
Weight 10.5 oz.
Mounting 8-pin socket *not included (Model 51X120)
Agency Approval CSA/ No /No/ No

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