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Speed Control Autotransformers
Speed Control Autotransformers
are designed for use in HVAC equipment.  This line of autotransformers offers a cost effective and reliable means of AC blower motor speed control.

Certified to both CSA and UL standards

The durable construction and design of these transformers includes a 130°C rated insulation system, low temperature rise, easy mounting and installation assemblies.


Similar models available with isolated 12V, 7VA output available for control circuits

Figure 1 Mounting:

Figure 2 Mounting:

                                        BOTTOM VIEW