Turck's Powerfast® series mainly uses: A-Size 7/8" powerfast connectivity, D-Size 1 3/8" powerfast connectivity, M16 powerfast connectivity, and M40 powerfast connectivity. The following are the five plug types used in the Powerfast® series and their characteristics.
| Connector Type | Thread Size / Type | Pin Count | Conductor Gauge | Current / Voltage Rating | Features & Typical Applications |
|---|---|---|---|---|---|
| A-Size 7/8" | 7/8"-16 UN | 3, 4 pins | 14 AWG | 21 A, 600 V | Ideal for small motor applications; commonly used in industrial power distribution; NEMA/IP67. |
| D-Size 1 3/8" | 1 3/8"-16 UN | 3, 4 pins | 10, 12, or 14 AWG | Up to 40 A, 600 V | High-power version for heavier motor loads; robust build for demanding environments. |
| M16 | M16 Threaded | 2–4 pins | 12 and 14 AWG | Up to 18 A, 600 V | Compact design; shielded options available; supports tee configurations for mid-power wiring. |
| M23 | M23 Threaded | 6–9 pins | Power: 12–14 AWG; Signal: 18 AWG | Power: Up to 30 A / 600 VSignal: 8 A / 300 V | Combines power and signal; suitable for hybrid transmission in automation or drive systems. |
| M40 | M40 Threaded | Power + Signal mixed | Power: 8 AWG;Signal: 14 & 18 AWG | Up to 35 A, 250 V / 600 V | Heavy-duty connector for high-current loads; combines control and power lines in one assembly. |
Common features (Powerfast full range)
- Industrial protection: NEMA 1, 3, 4, 6P and IEC IP67
- Dual certification cable: supports TC-ER (Tray Cable–Exposed Run) and STOOW PVC
- Applicable scenarios: industrial motor power supply, modular automation equipment, factory power distribution network, electric control cabinet connection
- Flexible configuration: multiple thread sizes, shielding options, T-type/split-line connection methods, support rapid deployment and replacement
What can Premier Cable do for you?
Premier Cable offers a wide range of products compatible with the Turck Powerfast series, including:
- 7/8", M16, M23, M40 and other power cables
- Y/T/h splitters, field-assembled connectors, recessed sockets
- Customization of various wire specifications, wire colors and jacket materials
- OEM/ODM orders, adapting to a variety of power and connection standards
Please contact us for Powerfast alternatives or custom designs!





