Intermatic ET1105CPD82 24-Hour Time Switch (Same Operation Each Day)

Intermatic ET1105CPD82 24-Hour Time Switch (Same Operation Each Day)

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Item# Intermatic ET1105CPD82

Model Number

Upgrading to an electronic time switch has never been easier with the ET1100 series.
This series replaces our popular ET100 series.


  • Program can be repeated on a daily basis

  • Multi-volt operation from 120-277 VAC, 50/60 Hz

  • To-the-minute programming for accurate load control and reduced energy costs

  • Up to 28 set points or events (14 ON/14 OFF per channel) can be preset to
    automatically repeat on a daily basis

  • Automatic Daylight Saving Time adjustment (Factory Enabled)

  • Non-volatile EEPROM memory protects programming indefinitely

  • Temporary override or permanent manual override available via push buttons


Enclosure Options: Standard: NEMA 1 Gray Painted Drawn Steel (see page 46 “A”)
‘R’ Option: NEMA 3R Gray Painted Drawn Steel (see page 46 “B”)
‘PD82’ Option: NEMA 3R Gray High-Impact UV Resistant Polycarbonate Plastic with
Clear Cover (see page 46 “C”)
Knockouts: Combination 1 ⁄2 – 3 ⁄4 in. nominal knockouts, one on back and each side of
enclosure and two on bottom

Note: The electronic mechanism snaps into the standard Intermatic time switch
enclosure, replacing mechanical mechanisms, if desired.
Cycle: ALL models 50/60 Hz.
Switch Rating: 30 Amp Inductive/Resistive, 24, 120, 240, 277 VAC, 60 Hz; 20 Amp
Resistive, 28 VDC; 1 HP, 120 VAC, 60 Hz; 2 HP, 240 VAC, 60 Hz; 5 Amp Tungsten,
120-240 VAC, 60 Hz; 20 Amp Ballast, 120-277 VAC, 60 Hz.
ET1115 models Normally Open (NO), Normally Closed (NC) contact ratings:
20 Amp (NO), 10 Amp (NC) Resistive/Inductive, 120, 240 VAC; 1 HP (NO), 1 ⁄4 HP (NC),
120 VAC; 2 HP (NO), 1 ⁄2 HP (NC), 240 VAC; 5 Amp Tungsten, 120, 240 VAC; 20 Amp
(NO), 3 Amp (NC) Ballast, 120-277 VAC
Pulse Feature: 2-Circuit models feature 2-Second pulse option for contactor and bell
ringing applications
Auto DST: Automatic Adjustment for Daylight Saving Time (DST)
Battery Backup: Field replaceable “AAA” batteries maintain date and accurate time
keeping for 3 years minimum. Up front replacement does not require removal of
Wiring Terminals: #18 to #10 AWG wire
Minimum ON/OFF Times: 1 minute
Maximum ON/OFF Times: 23 hours 59 minutes

Model Number: ET1105CPD821

Circuits: 1 Switch: SPST Clock Volts AC: 120, 208, 240, 277 Amp Rating: 30 HP Rating: 1HP/2HP Enclosure: NEMA 3R

1     CPD82 Models feature NEMA 3R high impact polycarbonate plastic enclosure with clear cover for easy viewing of time switch mode and current status.







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