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MDI mercury contactors/relays are durable and float switches and liquid level controls for water and sewage Liquid Level Control Floats
Contactors and Solid State Relays,
Tilt, Tip-over and Proximity Switches
Motion and Shock Sensors.
MDI Mercury Displacement Industries Relays, Contactors, Liquid Level Control Floats, Tilt and Tipover switches
Relay, Vertical, Liquid Level Control Floats, Tilt and Tipover switches
MDI ETO Hybrid Timer


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ETO
CMOS digital circuitry
Time delays to 3 minutes
Adjustable time delay
No first cycle effect
SPST 20 Ampere Output rating (limited by terminals, relay rated at 35 or 60 Amps)
NEMA 4 enclosure
External terminal strips for all connections
Fully Solid State timing
2 wire time delay on operate
Screw driver adjustable with lock
  1. TIME DELAY
    Type: Digital CMOS circuitry
    Ranges: .25 to 7 Sec.
    5 to 120 Sec.
    120 to 360 Sec.
    Repeat accuracy: ± .5% ± 10m Sec.
    Reset time: 100 Milliseconds
    Time delay voltage variation: ± 30m Sec.
  2. INPUT
    Operation Voltage: 48, 125, 250 VDC
    Tolerance: -15%, +20% nominal
  3. OUTPUT
    Tube: Mercury Displacement type relay
    Form: Single Pole Single Throw, normally open or Normally closed
    Ratings: 20 Amperes at 250 VDC or 600 VAC G.P.
    Life: 10,000,000 operations full load
  4. PROTECTION
    Transient: 2.5 KV surge per ANSI C37 -.90. Reverse voltage protection
    Timing circuit inhibited below 50% of nominal voltage
    Dielectric Breakdown: 1500 VDC
  5. MECHANICAL
    Enclosed in 4" x 6" NEMA 4b Box
    Mounting: 4 External .31 DIA. holes on 7.5 x 2 pattern
    Must be mounted within 10° of vertical
    Termination: Barrier strips, #6 screws, (20 Amp rated) on exterior of enclosure
ETO Hybrid Timer
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For Liquid Level Control Floats, Contactors and Solid State Relays, Tilt, and Tipover contact MDI TODAY!

* P. O. Box 710 * 25028 U.S. 12 East * Edwardsburg, Michigan * 49112 *
* PH. (269) 663-8574 * FX. (269) 663-2924 *
* Toll Free US and Canada (800) 634-4077 *