The Macromatic TD-88126 is an 11 Pin Time Delay Relay. This DIP-switch digital set plug-in relay has an input voltage of 12V DC. It is a multi-function unit with 16 different settings and a time range of 0.05 sec to 10,230 hours single mode (310 hours for dual mode). The 2 DIP switches on the unit have 10 positions and allow the time delay or function to be set more precisely. The TD88126 uses an 11 pin 70170-D octal socket with an output of 10A DPDT. Pilot duty rating. Note: Image is an approximation. Actual part may differ.

Off Delay, Single Shot, Watchdog, Single Shot Trailing Edge, Triggered On Delay, Triggered Delayed Interval, On/Off Delay and Single Shot Flasher make use of a Control Switch trigger to operate. The other functions do not require a trigger.

Specifications

• Relay Function- Multi-Function
• Relay Timing Range- 0.05 Sec - 10,230 Hours
• Input Voltage- 12V DC
• Output- 10A DPDT
• Voltage Tolerance- AC Operation: +10/-15% of nominal at 50/60 Hz
  DC Operation: +10/-15% of nominal
• Load- 2VA
• Setting Accuracy- Constant Voltage/Temp: The greater amount of +/-0.1% of set time or +/-50ms, Variable Voltage/Temp: The greater amount of +/- 1% of set time or +/- 50ms.
• Repeat Accuracy- Constant Voltage/Temp: The greater amount of +/-0.1% of set time or +/-0.02 sec, Variable Voltage/Temp: The greater amount of +/- 1% of set time or +/- 0.02 sec.
• Reset Time- Functions Triggered by Control Switch: 0.04 Seconds
  Other Functions: 0.1 Seconds
• Start Up Time- 0.05 Sec
• Maintain Function Time- 0.01 Sec
• Insulation Voltage- 2000 V
• Operating Temperature- -28 C to 65 C (-18 F to 149 F)
• Storage Temperature- -40 C to 85 C (-40 F to 185 F)
• Output Contacts- DPDT 10A @ 240V AC/30V DC,
  1/2HP @ 120/240V AC (N.O.), 1/3HP @ 120V AC (N.C.)
  B300 & R300; AC15 & DC13
• Life- Mechanical: 10,000,000 Operations, Full Load: 100,000 Operations
• Dimensions- 2.4" Height x 1.7" Width x 3" Depth
• Approvals- UL Recognized, CE, CSA, UL Listed (with Socket)

The A-D switches on the left side of the unit choose the function and the E-K switches choose the time base setting. The right side switches select the time delay setting. A diagram on the side of the relay indicates how to set the switches. It has an LED indicator that is green when the relay has power, and red when the relay is energized.

Macromatic TD-8 Series Relay Installation Instructions

Explanation of Macromatic Time Delay Relay Timing Functions

Macromatic TD-8 Series Time Delay Relay Competitive Comparison

Macromatic 12V Plug In Time Delay Relay TD-88126