• Siemens ZM121/A Phase Cut Interface Module — New England Supply House spec card [NESH-SPEC-CARD-V2]
  • Siemens ZM121/A Phase Cut Interface Module specifications — New England Supply House [NESH-SPECTABLE-V1]
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Siemens ZM121/A Phase Cut Interface Module

Siemens ZM121/A Phase Cut Interface Module

$484.90 USD
$484.90 USD
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ZM121/A

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The Siemens ZM121/A is a phase cut interface module that converts a 0-20V phase-cut control signal into a standard 4-20mA output. It is used in HVAC control loops to interface phase-cut controllers with devices expecting a 4-20mA input, such as actuators or building automation controllers. This genuine Siemens replacement part helps maintain signal compatibility between control components. Confirm the part number against your equipment's parts list before ordering.

Specifications

Part NumberZM121/A
BrandSiemens
TypePhase Cut Interface Module
Input Signal0-20V
Output Signal4-20mA