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Littelfuse TDML120AL Delay Timer

The TDML120AL is a delay-on-make timer that features digital circuitry with isolated DPDT relay contacts. It offers adjustable delay ranges from 0.1 to 102.3 seconds, with precise DIP switch tuning and a repeat accuracy of ±0.1%. Suitable for control panels and OEM designs, it includes LED indicators for timing status, operates over a wide voltage range of 110V, 24V, or 12V DC, and mounts easily on a DIN rail or via screw terminals. The compact design ensures reliable operation in industrial environments, rated for 10A at 600V, with UL listing for safety compliance.

Authorized Distributors
Source:Newark
Part No:TDML120AL
Stock:13
Inv Date:05-28-2026
Price: Unit price: $158.23
Buy/RFQ:
Source:DigiKey
Part No:TDML120AL
Stock:9
Inv Date:05-28-2026
Price: Unit price: $153.62
Buy/RFQ:
Part No:TDML120AL
Stock:1
Inv Date:05-29-2026
Price: Unit price: $152.73
Buy/RFQ:
Part No:TDML120AL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $154.47
Buy/RFQ:
Part No:TDML120AL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $127.93
Buy/RFQ:
Part No:TDML120AL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $127.93
Buy/RFQ:

Littelfuse TDML120AL Delay Timer Specifications:

  • Input Voltage: 12V DC, 24V DC, 110V AC, 230V AC
  • Delay Range: 0.1-102.3 seconds, adjustable via DIP switches
  • Repeat Accuracy: ±0.1%
  • Output Type: Electromechanical relay, DPDT
  • Rated Current: 10 A at 600V AC
  • Power Consumption: Less than 3.25 W
  • Isolation Voltage: >1500 V RMS input to output
  • Dimensions: H44.45 mm x W60.33 mm x D104.78 mm (with socket)
  • Mounting: DIN rail, surface mount with screws
  • Temperature Range: -20°C to 65°C / -30°C to 85°C
  • Protection Class: UL508 listed with appropriate socket
  • Environmental: Operating temperature affected by enclosure, IP ratings not specified

Buy the Littelfuse Series TDM: Delay-on-Make Timer TDML120AL

Order the Littelfuse TDML120AL delay-on-make timer online today for accurate timing and dependable control in industrial automation. Its adjustable delay range, UL safety listing, and compact DIN rail mounting make it perfect for control panels, OEM projects, and automation systems. Featuring digital circuitry and isolated DPDT relay contacts, it ensures precise operation with a repeat accuracy of ±0.1%. Easy to install and configure, this timer enhances system reliability and efficiency, providing outstanding performance in diverse industrial environments.

Get Littelfuse TDML120AL today—built for precise timing control and reliable industrial performance.

Frequently Asked Questions

Where can I buy Littelfuse TDML120AL?

You can click on the BUY or RFQ button to purchase TDML120AL from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part TDML120AL?

You can download the TDML120AL datasheet or visit the Littelfuse website for support.

Who is the manufacturer of TDML120AL?

Littelfuse

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