Square D 9070TF Series Single-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$212.23
Square D 9070TF Series Single-Phase Industrial Control Transformer

Square D 9070TF Series Single-Phase Industrial Control Transformer

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Model: 9070TF100D1

In Stock (leaves warehouse same day if ordered before 3pm ET)

$212.23
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Square D 9070TF Series Single-Phase Industrial Control Transformer

The Square D 9070TF Series from Schneider Electric is a family of single-phase, dry-type industrial control transformers designed to supply reliable 120V (110V/115V) control power in machine and panel-building applications. The series spans a wide range of VA ratings and primary voltage configurations, available in options including 50 VA - 240x480V, 100 VA - 240x480V, 100 VA - 208/230/460V, 100 VA - 208V, 150 VA - 208V, 500 VA - 208V, 1000 VA - 240x480V, and 1500 VA - 208V primary configurations, letting panel builders select the exact power and voltage combination their control circuit requires. Every unit in the 9070TF Series shares the same low-impedance copper winding construction, 50/60Hz frequency rating, screw clamp terminal connections, and UL and CSA listed build quality, making it a dependable choice for code-compliant control power across a broad range of industrial equipment.

Key Features

  • VA Rating / Primary Voltage: available in 8 configurations ranging from 50 VA - 240x480V Primary up to 1500 VA - 208V Primary, allowing precise matching to control circuit load and incoming line voltage.
  • Secondary Voltage: 120V (110V/115V) secondary sized for standard industrial control circuits.
  • Copper Windings: low-impedance copper winding construction supports stable voltage regulation and handles the high inrush current common to control circuits.
  • Frequency: rated for 50/60Hz operation across the full VA rating range.
  • Electrical Connection: screw clamp terminals for secure, straightforward field wiring.
  • Fuse Type: accepts 0.41 x 1.50 in CC-class top fuses for circuit protection.
  • Enclosure Rating: NEMA not rated (open device), intended for mounting inside an enclosed panel.
  • Phase: single-phase, dry-type transformer construction throughout the series.

Certifications & Compliance

  • UL Listed, File E61239
  • CSA Certified, File LR37055, Guide 184-N-90
  • RoHS Compliant with Exemptions

Technical Specifications

  • Standards: CSA
  • Product Or Component Type: Industrial Control Transformer
  • Device Type: Transformer - dry
  • Range Of Product: TF
  • Warranty: 18 months
  • Mercury Free: Yes

Typical Applications

  • Industrial Control Panels and Machine Control Circuits
  • PLC and Relay Logic Power Supply
  • Motor Control Centers
  • OEM Equipment and Control Enclosures
  • Control Cabinet Retrofits and Upgrades

Why Square D?

Square D by Schneider Electric builds the 9070TF Series with low-impedance copper windings and UL and CSA listed construction to deliver dependable, code-compliant control power across a wide range of VA ratings and primary voltage configurations. Backed by an 18-month warranty, this control transformer family is engineered for long-term reliability in demanding control panel environments, giving panel builders a single trusted series to standardize on regardless of the specific VA rating required.

Manufacturer Resources

Product Specs

Product Type:
Control Transformer
Series:
9070TF
Configuration:
1 Phase
Listing:
UL Listed
Standards:
CSA
Product Material:
Copper
Department:
Electrical
Product Group:
Power Distribution
Voltage Rating:
120V Secondary
Product Subgroup:
Transformers

Square D 9070TF100D1 – Frequently Asked Questions

1) What primary voltages can the Square D 9070TF control transformer be ordered for?
The 9070TF Series is built for three primary arrangements: 240x480V dual-voltage, straight 208V, and a 208/230/460V multi-tap. Which one you get is tied to the VA rating you pick. The 240x480V units are 50 VA (9070TF50D1), 100 VA (9070TF100D1) and 1000 VA (9070TF1000D1). The 208V units are 100 VA (9070TF100D3), 150 VA (9070TF150D3), 500 VA (9070TF500D3) and 1500 VA (9070TF1500D3). The 208/230/460V multi-tap is the 100 VA 9070TF100D20. Secondary is 120V on all of them.
2) My machine runs on 480V three-phase. Can I use a 9070TF to get 120V control power?
Yes, if you pick a unit with a 480V primary tap and land it across two phases. The 240x480V models (9070TF50D1, 9070TF100D1, 9070TF1000D1) and the 208/230/460V multi-tap 9070TF100D20 cover the higher-voltage side. The transformer itself is single-phase, so it takes a line-to-line feed, not three phases. Output is 120V (110V/115V) for the control circuit.
3) Can I mount a Square D 9070TF transformer outdoors or in a wet location?
No. The 9070TF is an open, dry-type device with no NEMA enclosure rating. It is meant to be mounted inside an enclosed control panel or cabinet that provides the environmental protection. If you need it outdoors, the enclosure has to carry the rating, not the transformer.
4) Will a 100 VA control transformer handle contactor inrush, or do I need to size up?
Control transformers get sized on two numbers: the steady-state VA of everything held in (relays, pilot lights, PLC supply) and the much larger momentary inrush when a contactor coil pulls in. The 9070TF uses low-impedance copper windings specifically so voltage holds up under that inrush. Practically, add up sealed VA for continuous load, then check the largest coil's inrush VA against the unit. The series runs 50, 100, 150, 500, 1000 and 1500 VA, so there is room to step up if one large motor starter dominates the circuit.
5) I need 120V control power but my panel feed is 230V. Which 9070TF do I order?
The 9070TF100D20 is the one with a 230V tap, since it is wired 208/230/460V primary at 100 VA. The other 100 VA options are either 240x480V (9070TF100D1) or straight 208V (9070TF100D3), so if the feed is genuinely 230V the D20 multi-tap is the model that covers it.
6) What size fuse does the 9070TF control transformer take on the primary side?
The fuse clips accept CC-class top fuses measuring 0.41 x 1.50 inches. Fuses are sized to your circuit, but the physical fuse body has to be that CC form factor to seat in the holder.
7) Will the 9070TF work on 50Hz equipment being shipped overseas?
It is rated 50/60Hz across the whole VA range, so it works on either supply frequency. Check the primary voltage still matches the destination, since the available primaries are 208V, 240x480V and 208/230/460V.
8) What kind of terminals does the 9070TF use for field wiring?
Screw clamp terminals on both primary and secondary. You land bare conductor or a ferrule directly under the clamp, no special lugs or crimp terminals needed.
9) Is the 9070TF a dry-type transformer, or does it need oil?
Dry type throughout the series, single phase. There is no fluid to maintain or contain, which is why it can sit inside a control cabinet alongside starters and PLC gear.
How fast can I get the Square D 9070TF100D1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D 9070TF100D1 come with a warranty?
Absolutely. The Square D 9070TF100D1 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D 9070TF100D1?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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