AX4 (48x48mm) is listed in the AX product family.
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AX4-1A is a AX model with the following cataloged configuration: relay1 + relay2 + SSR1 contact.
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AX4-2A is a Hanyoung temperature controller with a 48 × 48 mm front panel and 100–240 VAC supply. It supports thermocouple/Pt100 inputs, PID control and an SSR drive output with three relays.
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AX4-3A is a AX model with the following cataloged configuration: 4-20mA + relay2.
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AX4-4A is a AX model with the following cataloged configuration: 4-20mA + relay2 + relay3.
View technical details →This information applies at series level. Check the model record and manufacturer documentation for model-specific values.