Square D 9070T300D4 Type T Industrial Control Transformer
The Square D 9070T300D4 is a 300VA single-phase industrial control transformer from the 9070T Series. It accepts 277V primary input and steps down to 120V secondary with an 80C temperature rise. Screw clamp terminals are included for reliable connections in commercial and industrial control panel applications.
Key Specifications
- VA Rating: 300VA
- Phases: 1
- Primary Voltage: 277V
- Secondary Voltage: 120V
- Temperature Rise: 80C
- Product Type: Industrial Control Transformer
- Connection Type: Screw clamp terminals
- Series: 9070T
- Model: 9070T300D4
- Manufacturer: Square D (Schneider Electric)
Features
- 277V primary for use with standard commercial lighting distribution circuits
- 300VA capacity to handle multiple simultaneous control loads
- 120V secondary output compatible with a wide range of control devices
- Screw clamp terminals for vibration-resistant wiring
Applications
Applicable for commercial buildings, industrial facilities, and manufacturing plants where 277V distribution circuits feed 120V control panels, HVAC systems, and automated equipment.








