Overview
The Square D 9070 K50D2 /A is an industrial control transformer from the Class 9070 series. This unit is designed to step down supply voltages to control voltage levels for industrial automation and machinery control applications. The 50VA power rating makes it suitable for relay logic circuits, solenoid valves, control contactors, and related electromagnetic devices that require clean, regulated voltage with excellent load handling.
Key Features
- 50VA Power Rating: Appropriate for small to medium control circuits with high inrush loads.
- Low Impedance Windings: Provides excellent voltage regulation under varying load conditions.
- High Inrush Capability: Engineered to accommodate the inrush currents typical of relays, starters, solenoids, and contactors.
- Compact Design: Open-style chassis mount configuration allows flexible panel installation.
- Industrial-Grade Construction: Built for continuous duty in manufacturing and control environments.
Technical Specifications
- Class/Series: 9070 (Square D Industrial Control Transformer)
- Type: K50D2 /A
- Power Rating: 50 VA
- Primary Voltage: 240/480 VAC (typical for 9070 series)
- Secondary Voltage: 24 VAC (standard control voltage)
- Phase: Single Phase (1Ø)
- Frequency: 50/60 Hz
- Temperature Rise: 55°C
- Operating Temperature: 55°C ambient
- Mounting Style: Screw clamp, panel-mount
- Construction: Open-style
- Certifications: UL, CSA, CE
- Condition: Used, inspected
Typical Applications
The Square D 9070 K50D2 /A is well-suited for control circuits in:
- Conveyor systems and material handling equipment
- Paint lines and finishing systems
- Punch presses and stamping machinery
- Overhead cranes and hoist control
- Motor control centers (MCCs)
- Machinery automation panels requiring 24VAC control voltage
- General industrial MRO replacement in control systems
Compatibility & Replacements
Compatible With
- Standard 240V or 480V industrial power supplies
- 24VAC control circuits and solenoid coils
- Electromagnetic relay and contactor coils
- Standard industrial panel layouts with screw-terminal clearance
- Machinery and equipment using Class 9070 transformer mounting footprints
Replaces / Drop-In Replacement For
The Square D 9070 K50D2 /A may directly replace other 50VA, 240/480V–24V control transformers in the Class 9070 series with matching mounting and terminal configurations. Verify wiring configuration and terminal locations with original equipment documentation before substitution. Consult your controls integrator or the original system OEM drawings to confirm physical and electrical compatibility.
Works With
- Panel-mounted control relay circuits
- 24VAC solenoid and contactor coils
- Standard industrial automation wiring and terminal blocks
- Fused control power supply circuits
- Machinery equipped with 24VAC control voltage requirements
