Siemens 3G-OTH-68489 — Technical Specifications

Name: Siemens 3G-OTH-68489 Electric Actuator: HVAC Systems, Spring Return, 160 lb-in, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN GCA156.1U). Key specifications — Manufacturer Part Number: GCA156.1U; Power Rating: 5 W (Running); 3 W (Holding); Input Voltage: 24V AC/DC; Brand: SIEMENS; Output Signal: 2 Auxiliary Switch; Electrical Connection Type: Hardwired; Auxiliary Switch Included: Yes.
Brand: Siemens

The Siemens GCA156.1U is a fail-safe electric actuator with spring return for HVAC systems, operating on 24V AC/DC with a running power rating of 5 W and a holding power of 3 W. It features a hardwired electrical connection, includes two auxiliary switches, and is rated NEMA 2 / IP54.

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Technical Specifications

Parameter	Value
Type	Spring Return, 160 lb-in, Hardwired, NEMA 2 / IP54
AC/DC	24V
Brand	SIEMENS
Power Rating	5 W (Running)
Input Voltage	24V AC/DC
Output Signal	2 Auxiliary Switch
Manufacturer Part Number	GCA156.1U
Auxiliary Switch Included	Yes
Electrical Connection Type	Hardwired