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The Macromatic TD-88121 is an 11 Pin Time Delay Relay. This DIP-switch digital set plug-in relay has an input voltage of 240V AC. It is a multi-function unit with 16 different settings. The 2 DIP switches on the unit have 10 positions and allow the time delay or function to be set more precisely. The TD88121 uses an 11 pin 70170-D octal socket with an output of 10A DPDT. It has an LED indicator that is green when the relay has power, and red when the relay is on and energized.
Note: Image is an approximation. Actual part may differ.
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Multifunction
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Single Mode
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Dual Mode
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On Delay
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Repeat Cycle (Off 1st)
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Interval On
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Repeat Cycle (On 1st)
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Flasher (Off 1st)
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Delayed Interval
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Flasher (On 1st)
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Triggered Delayed Interval
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Off Delay
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On/Off Delay
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Single Shot
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Single Shot-Flasher
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Watchdog
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On Delay/Flasher
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Single Shot (Trailing Edge)
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Triggered On Delay
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Specifications
- Relay Function- Multi-Function
- Relay Timing Range- 0.05 Sec - 10,230 Hours (310 hours for dual mode)
- Input Voltage- 240V AC
- 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 choose the time delay setting. A diagram on the side of the relay indicates how to set the switches.
Macromatic TD-8 Series Relay Installation Instructions
TD-88121 Macromatic 240V Time Delay Relay
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