Q117UM-3
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The Q117UM-3 is a POWERSTAT transformer offering an input voltage of 240V and an output range of 0-240V. Manufactured by Danaher as part of their POWERSTAT Transformers series, it operates at a frequency of 60 Hz. The unit supports a maximum constant current load of 10 amps and 4.2 KVA.
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Product Description:
Danaher makes the Q117UM-3. Danaher’s Q117UM-3 POWERSTAT transformer is designed to work with a 240V input supply, which is common in many commercial and industrial power systems. The magnetic coupling for voltage control in autotransformer operation is provided by this input voltage, which creates the baseline electromagnetic field across the main winding. Because variations beyond the specified 240V may distort the magnetic flux density, core efficiency, and possibly cause thermal stress or dielectric failure, the transformer’s electromagnetic behavior is closely tied to this input spec. By assuming constant input stability, the transformer’s design prevents early magnetic core saturation and maintains life and efficiency across a range of load scenarios.
One of the Q117UM-3’s features is its ability to provide a variable output between 0 and 240V. This is done by a sliding contact over the autotransformer’s winding. Because of its variable output voltage, it can be used in applications where dynamic voltage adjustment is required, especially in systems that need regulated voltage profiles or a gentle ramp-up to protect downstream components. The full range pass-through to 240V allows for maximum transmission with no energy loss through step-up or step-down procedures, and the zero-voltage capability provides complete electrical isolation at the output side. Through precise voltage matching for resistive, inductive, or mixed loads, this range allows customers to fine-tune power supply and reduce energy waste or electromagnetic interference in the associated circuits.
The Q117UM-3’s nominal electrical frequency is 60Hz, which is the typical power distribution frequency in North American power grids. The transformer’s magnetic core is designed for low hysteresis and eddy current losses at this frequency, which is critical for thermal balance and core efficiency over long periods of use. The 4.2 kVA apparent power rating means it can supply a mix of active and reactive power without violating its electromagnetic or insulation limits, and the 10A rated current means the top thermal limit for continuous load. It also has a Wye-connected three-phase design for phase-to-phase and phase-to-neutral power supply and balanced voltage across phases. The Q117UM-3 is suitable for harsh industrial applications because of its topology, which improves system stability, fault tolerance, and operational flexibility in three-phase power systems.
Frequently Asked Questions about Q117UM-3:
Q: What is the input voltage for the Q117UM-3 POWERSTAT transformer?
A: The Q117UM-3 POWERSTAT transformer accepts an input voltage of 240V.
Q: What is the output range for the Q117UM-3 transformer?
A: The output range of the Q117UM-3 is adjustable from 0 to 240V.
Q: What is the maximum constant current load for the Q117UM-3?
A: The maximum constant current load for the Q117UM-3 is 10 amps.
Q: What is the maximum apparent power for the Q117UM-3 transformer?
A: The Q117UM-3 has a maximum apparent power of 4.2 kVA under constant current load.
Q: What type of connection does the Q117UM-3 transformer support?
A: The Q117UM-3 transformer supports a three-phase Wye connection.
