Tork 403b Timer Instructions [repack]

If you need the official PDF, search for: "Tork 403B instruction manual" or "Tork 403B technical sheet" (common sources: Intermatic.com, manualslib.com, or supplyhouse.com). Below is the standard instruction format for the Tork 403B 24-Hour Mechanical Time Switch (120V, 40A resistive).

Tork 403B 24-Hour Timer – Proper Setup & Operation Instructions 1. Specifications

Voltage: 120 VAC, 60 Hz Switching Capacity: 40 A Resistive, 30 A Tungsten, 5 A Ballast Pole: Single Pole, Single Throw (SPST) Min. On/Off Time: 30 minutes (96 operations per day max)

2. Parts Identification

Timer Dial – 24-hour rotating dial (marked 3-hr increments) Trippers (ON/OFF) – Two metal clips (ON = blue/green, OFF = red) Manual Switch – Located under dial cover (ON / AUTO / OFF) Terminal Screws – Line (Black), Load (Red), Neutral (White)

3. Wiring (120V Application)

Line (Hot) → Terminal L (Black screw) Load (Light/Motor) → Terminal X (Red screw) Neutral (White) → Terminal N (Silver screw) Ground → Green grounding screw tork 403b timer instructions

⚠️ Turn off power before wiring. Follow NEC and local codes. 4. Setting the Time of Day

Turn dial clockwise (only) until the pointer on the inner stationary plate aligns with the current time on the dial. Example: If current time is 2:00 PM (14:00), align “14” with the pointer.

5. Installing Trippers

ON tripper → Push into outer edge of dial at desired ON time. OFF tripper → Push into outer edge of dial at desired OFF time. Trippers must be at least 30 minutes apart.

6. Manual Override