


Multispan MDT-4310 Series Thumbwheel Timer | ON/OFF Delay | Proxy/Micro Switch Input | 3-Digit Display
🔹 Product Summary:
The Multispan MDT-4310 Series (MDT-4310N and MDT-4310) are compact digital timers designed for precise ON/OFF delay control using a simple 3-digit thumbwheel interface. With selectable Hour/Minute/Second ranges, built-in relay output, and compatibility with both proximity sensors and micro switches, these timers offer robust and reliable timing control for industrial automation and panel builders. Both models come with power fail memory and wide 100–270V AC supply support.
🔹 Key Features:
Time Range: Configurable Hour / Minute / Second (up to 999)
Time Setting: Mechanical 3-digit thumbwheel
Display: 3-digit, 7-segment red LED
Operating Modes: Delayed ON / Delayed OFF (selectable)
Input Type: Proximity Sensor or Micro Switch (selectable)
Output:
Relay: 1R2C/O, 5A @ 230V AC
SSR/Buzzer Output: 12V DC approx.
Power Supply: 100–270V AC
Build Variants:
MDT-4310N: 48 x 48 x 70 mm (standard body)
MDT-4310: 48 x 48 mm PC Box version
Mounting: Panel mount
Memory: Built-in power fail memory for uninterrupted operation
HSN Code: 85369090
🔹 Applications:
Delay ON/OFF for motors and pumps
Packaging machine dwell timers
Process interlocks and timed safety triggers
Sequential start of equipment
Conveyor and batch operations in compact panels
🔹 Product Benefits:
Easy thumbwheel time setting – no programming required
Flexible input compatibility (proxy/micro switch)
Dual ON/OFF delay functionality in one unit
Built-in memory to retain timing after power failure
Compact 48x48 design – fits space-constrained panels
Available in standard body and rugged PC Box version
❓ FAQs:
Q1. How is time configured in this timer?
Time is set using a 3-digit thumbwheel for easy and quick adjustment.
Q2. What’s the difference between MDT-4310 and MDT-4310N?
Both have the same function. MDT-4310 comes in a PC box enclosure, while MDT-4310N is the standard model.
Q3. Which inputs are supported?
Both proximity sensors and micro switches are compatible.
Q4. Does the timer support memory backup?
Yes, it features power fail memory for uninterrupted timing even after power loss.
Q5. Can I use this for both ON and OFF delay?
Yes, the mode is configurable depending on your application.