United Automation A447412-HV-A-RS, HVAC Power Regulator, 146 A

View all Thyristors

Subtotal (1 unit)*

SGD1,164.92

(exc. GST)

SGD1,269.76

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 6 unit(s) shipping from 02 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +SGD1,164.92

*price indicative

RS Stock No.:
216-3057
Mfr. Part No.:
A447412-HV-A-RS
Manufacturer:
United Automation
Find similar products by selecting one or more attributes.
Select all

Brand

United Automation

Product Type

HVAC Power Regulator

Rated Average On-State Current Irms

146A

Mount Type

Top, Vertical, Bottom

Minimum Operating Temperature

85°C

Maximum Operating Temperature

90°C

Series

PR3-E

Standards/Approvals

RoHS, CE marking

Automotive Standard

No

The United Automation PR3-E series three phase Thyristor stack. The PR3 range of Thyristor stacks provides full seamless control of three phase resistive loads, using two thirds control technique. It is suitable for 3-wire, 3-phase floating-star or closed-delta configured resistive loads. This includes the Heating, Ventilating and Air Conditioning (HVAC) market for air curtain applications, but also for furnaces, ovens, dryers and hot plates.

Over temperature protection

Temperature sensor loss detection

RoHS Compliant

Related links