TE Connectivity M4/9.PZ12/8 1SNA007016R1600 is a 12 V DC / 8 V AC screw clamp surge protection terminal block with integrated TVS diode protection for industrial control, signalling and automation circuits.
The TE Connectivity M4/9.PZ12/8, manufacturer part number 1SNA007016R1600, is an industrial surge protection screw clamp terminal block designed to protect sensitive electrical and electronic circuits against transient overvoltages. Part of the established Entrelec M4/9 range, it combines secure conductor termination with integrated transient voltage suppression in a compact DIN rail mounted format.
The M4/9.PZ12/8 incorporates TVS diode surge protection, providing fast suppression of potentially damaging voltage transients in low-voltage control, signalling and automation circuits. Integrating the protection component directly into the terminal block helps simplify control panel construction while reducing the need for separately mounted protective components.
Designed for 12 V DC / 8 V AC circuits, the M4/9.PZ12/8 is particularly suitable for sensitive instrumentation, PLC and industrial control wiring. Its compact 9 mm width, grey housing and screw clamp connection system make it well suited to densely populated electrical cabinets where reliable connections and effective transient protection are required.
Transient overvoltages caused by switching operations, inductive loads and other electrical disturbances can damage sensitive electronic equipment or cause unreliable system operation. Surge protection terminal blocks provide suppression close to the field wiring interface, helping protect connected control and automation equipment from short-duration voltage spikes.
The M4/9.PZ12/8 integrates TVS diode protection directly into a compact terminal block format. This provides panel builders and automation engineers with a convenient way to combine dependable conductor termination and transient suppression while maintaining organised, modular DIN rail wiring within industrial electrical cabinets.
| Manufacturer | TE Connectivity / Entrelec |
|---|---|
| Series | M4/9 |
| Model | M4/9.PZ12/8 |
| Manufacturer part number | 1SNA007016R1600 |
| Product type | Surge protection screw clamp terminal block / component holder |
| Protection technology | TVS diode transient voltage suppression |
| DC voltage | 12 V DC |
| AC voltage | 8 V AC |
| Connection type | Screw clamp |
| Colour | Grey |
| Mounting type | DIN rail |
| Width | 9 mm |
| Height | 65.5 mm |
| Minimum order quantity | 10 pieces |
| EAN | 3472590070164 |
The M4/9.PZ12/8 is used to provide transient surge protection for sensitive low-voltage electrical and electronic circuits while providing secure screw clamp connections within industrial control panels.
The M4/9.PZ12/8 is designed for 12 V DC / 8 V AC circuits, making it suitable for low-voltage control, instrumentation and signal applications.
The terminal block incorporates TVS diode transient voltage suppression to provide fast protection against potentially damaging voltage spikes.
The device uses established screw clamp connection technology, providing secure conductor termination for industrial control and automation wiring.
The M4/9.PZ12/8 is typically installed on DIN rail inside electrical control panels, machinery cabinets and automation systems where sensitive low-voltage circuits require transient surge protection.
TE Connectivity and Entrelec terminal block solutions are widely used in industrial control and automation installations where compact wiring, dependable electrical connections and effective protection of sensitive circuits are essential.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...