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The Macromatic THR-3856U is a programmable Time Delay Relay. This encapsulated, multi-range, multi-voltage relay has an input voltage of 24-240V AC and a 12-125V DC. It is a dual time, multi-function unit with 4 different settings and a time range of 0.1 sec to 1000 minutes. The THR3856U has an output of 10A SPDT which accommodates pilot duty and fractional HP loads. The ON & OFF times can be set or changed separately from each other. Featuring dimensions of 2" x 2", the encasement of the unit allows it to be used under more extreme conditions. Settings are made using DIP switches.
Timing Functions
- Repeat Cycle OFF
- Repeat Cycle ON
- Delayed Interval
- Delayed Interval (Triggered)
Time Delay Options
- Adjustable Time Delay
- Fixed Time Delay
Specifications
- Relay Function- Multi-Function
- Mounting Style- Surface Mount using a #8 or #10 screw
- Termination- 0.25" Male Quick Connect Terminals
- Relay Timing Range- 0.1 Sec - 1000 min
- Input Voltage- 24-240V AC, 12-125V DC
- Output- 10A SPDT
- Voltage Tolerance- AC Operation: +10/-15% of nominal at 50/60 Hz.
DC Operation: 10/-15% of nominal.
- Load- 2VA
- Setting Accuracy- Maximum Setting (Adjustable): +5%, -0%
Minimum Setting (Adjustable): +0%, -50%
- Repeat Accuracy- The greater amount of +/- 0.1% or +/- 0.04 Sec
- Reset Time- Triggered with Input Voltage: 100ms
Triggered with Control Switch: 40ms
- Startup Time- 0.05 sec
- Maintain Function Time- 0.01 sec
- 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- 10A @ 240VAC / 7A @ 28VDC SPDT, 1/4hp @ 120VAC (N.O.)
- Life- Mechanical: 10,000,000 Operations, Full Load: 100,000 Operations
- Overall Dimensions- 2" Height x 2" Width x 1.14" Depth
- Approvals- UL and CUL recognized
Macromatic THR Series Relay Installation Instructions
THR-3856U Dual Time Macromatic Time Delay Relay
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