TE Connectivity 1SNA007006R2500 M4/9.PV15/12 is a DIN rail screw-clamp surge protection terminal block with an integrated bidirectional varistor for 15 V DC and 12 V AC low-voltage control circuits.
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The TE Connectivity M4/9.PV15/12, part number 1SNA007006R2500, is an industrial surge protection screw-clamp terminal block with integrated varistor designed to help protect low-voltage control and automation circuits against transient overvoltages. Part of the established Entrelec M4/9 Series 7000 terminal block range, it combines electrical connection and transient voltage suppression in a compact DIN rail-mounted format.
The M4/9.PV15/12 incorporates a bidirectional metal oxide varistor between its two connection decks, providing local surge suppression directly at the terminal level. This makes it particularly useful for protecting sensitive control, signalling and interface circuits where switching operations or other electrical disturbances can produce potentially damaging voltage transients.
Designed for low-voltage circuits, this version is identified for 15 V DC / 12 V AC applications. The terminal block has a 9 mm spacing and grey body, providing a compact solution for incorporating surge protection into industrial control panels and electrical distribution assemblies.
Transient overvoltages generated by switching loads, inductive equipment and other electrical disturbances can affect sensitive automation and control components. A varistor-equipped terminal block provides a convenient way to suppress these short-duration voltage spikes close to the connected equipment while retaining the practical wiring functions of a conventional terminal block.
The M4/9.PV15/12 uses a bidirectional metal oxide transient voltage suppressor between its two decks. By integrating protection directly into the terminal assembly, it can simplify panel wiring and reduce the need for separately mounted suppression components in low-voltage industrial circuits.
| Manufacturer | TE Connectivity / Entrelec |
|---|---|
| Series | M4/9 Series 7000 |
| Model | M4/9.PV15/12 |
| Part number | 1SNA007006R2500 |
| Product type | Surge protection screw-clamp terminal block |
| Protection component | Bidirectional metal oxide varistor |
| Application voltage | 15 V DC / 12 V AC |
| Maximum operating voltage | 22 V DC / 17 V AC |
| Maximum impulse current | 500 A, 8/20 µs wave |
| Varistor voltage at 1 mA DC | 23–31.1 V |
| Peak clamping voltage | 53 V at 5 A |
| Capacitance | 4,000 pF |
| Connection technology | Screw clamp |
| Spacing | 9 mm |
| Colour | Grey |
| Mounting | DIN rail |
| EAN | 3472590070065 |
The M4/9.PV15/12 is a surge protection terminal block used to provide electrical connections while helping protect low-voltage control and automation circuits against transient overvoltages.
This version is intended for 15 V DC / 12 V AC applications, with specified maximum operating voltages of 22 V DC and 17 V AC.
The terminal block incorporates a bidirectional metal oxide varistor between its two connection decks to suppress transient voltage spikes.
The M4/9.PV15/12 has a specified maximum impulse current of 500 A using an 8/20 µs current wave.
It is typically mounted on a DIN rail inside industrial electrical and automation panels, where it provides both circuit connection and local transient voltage suppression.
TE Connectivity and Entrelec terminal block solutions are widely used in industrial control and automation installations, providing practical connection technology and specialised circuit protection for dependable electrical panel systems.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...