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Red rectangular temperature controller with LED display and relay output

Autonics Corp

Autonics Corp TZN4H-24R Temperature Controller 100-240VAC 50/60Hz Relay 250VAC 3A

SKU CH-NTTS-EYBVN MPN TZN4H-24R

A temperature controller accepting thermocouple, RTD and analog inputs with relay output rated 250VAC 3A and 100-240VAC supply

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • 4-digit LED display shows clear readings
  • Relay output handles 250VAC 3A loads
  • Universal 100-240VAC power fits global mains
  • Multiple PID modes suit diverse processes
  • Accepts thermocouple RTD and analog inputs

Temperature control capabilities

The Autonics TZN4H-24R is a standard-type temperature controller designed for precise process regulation. It accepts thermocouple, RTD and analog inputs with a 500 ms sampling cycle. Multiple control modes include ON/OFF, P, PI, PD, PIDF and PIDS. A 4-digit 7-segment LED display shows the process value clearly.

Suitable applications and limits

This unit suits industrial heating or cooling systems that need relay switching up to 250 VAC at 3 A. It operates on a wide 100-240 VAC supply at 50 or 60 Hz. Plants requiring solid-state outputs, higher relay current or faster sampling should look at alternative models.

Relay output rating

The single specification that decides fit is the relay control output rated at 250 VAC 3 A. If the load exceeds this current or requires a different output type, the controller will not switch the load directly.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 56% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameAutonics
Model nameTZN4H-24R
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

How can I verify the TZN4H-24R is controlling temperature correctly after wiring?

The 4-digit 7-segment LED display shows the measured value and set point; confirm the process variable tracks the set point within the expected range for your thermocouple or RTD input.

What comes in the box with the TZN4H-24R and what must I source separately?

The box contains one temperature controller unit; you must supply the thermocouple or RTD sensor, wiring, and any panel-mount hardware required for your installation.

Which input type should I select on the TZN4H-24R for a K-type thermocouple?

Choose the K (CA) thermocouple setting from the input specification menu, which also supports J, E, T, R, S, N, W, DPt100O, JPt100O, and analog voltage or current signals.

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