TE Connectivity ZK2.5 1SNK705010R0000 is a grey 2.5 mm² ENTRELEC SNK PI-Spring feed-through terminal block rated at 24 A and 1000 V IEC with 5.2 mm spacing for compact DIN rail power and signal wiring.
£0.81
The TE Connectivity ZK2.5 1SNK705010R0000 is a compact 2.5 mm² PI-Spring feed-through terminal block from the ENTRELEC SNK series, designed for fast and reliable conductor connections in industrial control panels, machinery, automation equipment and electrical distribution systems. Its spring terminal technology provides dependable conductor retention while reducing the need for conventional screw tightening during wiring.
The ZK2.5 provides two connection positions, one circuit and one level within a compact 5.2 mm terminal spacing. It accepts flexible conductors from 0.22–2.5 mm² and rigid stranded conductors from 0.2–4 mm², providing flexibility for both standard control wiring and larger rigid conductors.
With an IEC rating of 24 A and 1000 V, an 8000 V impulse withstand voltage and a 300 A short-time withstand current at 1 s, the ZK2.5 combines compact dimensions with strong electrical performance. Its grey polyamide housing, IP20 protection and compatibility with standard TH35 DIN rails make it a practical connection solution for professional industrial installations.
The TE Connectivity ZK2.5 uses PI-Spring connection technology to provide a secure spring-loaded electrical connection without the conventional screw clamp used on many DIN rail terminals. This connection method supports efficient panel wiring while maintaining consistent conductor retention for industrial power and signal circuits.
With a width of only 5.2 mm, the ZK2.5 enables dense terminal assemblies while accommodating flexible conductors up to 2.5 mm² and rigid stranded conductors up to 4 mm². Its IEC ratings of 24 A and 1000 V, combined with an 8000 V impulse withstand rating, make it a compact yet capable choice for control cabinets, machinery and automation installations.
| Manufacturer | TE Connectivity |
|---|---|
| Brand / product family | ENTRELEC |
| Series | SNK |
| Model | ZK2.5 |
| Manufacturer part number | 1SNK705010R0000 |
| EAN | 3472597050107 |
| Product type | PI-Spring terminal block |
| Block function | Feed-through |
| Rated wire size | 2.5 mm² |
| Connection method | Spring terminal / PI-Spring |
| Number of positions | 2 |
| Number of circuits | 1 |
| Number of levels | 1 |
| Gauge type | A2 / 2.3 mm diameter |
| Circuit application | Power & Signal |
| IEC current rating | 24 A |
| UL current rating | 20 A |
| CSA current rating | 20 A |
| IEC voltage rating | 1000 V |
| CSA voltage rating | 600 V |
| UL / CSA maximum operating voltage | 600 V |
| Operating voltage | 600 VAC |
| Short-time withstand current at 1 s | 300 A |
| Dielectric withstand voltage | 2200 V |
| IEC impulse withstand voltage | 8000 V |
| Power loss | 0.8 W |
| Single flexible conductor capacity | 0.22–2.5 mm² |
| Single flexible conductor range | 26–14 AWG |
| Single rigid stranded conductor capacity | 0.2–4 mm² |
| Single rigid stranded conductor range | 26–12 AWG |
| Single insulated ferrule capacity | 0.22–2.5 mm² |
| Insulated ferrule range | 26–14 AWG |
| Single non-insulated ferrule capacity | 0.22–2.5 mm² |
| Non-insulated ferrule range | 26–14 AWG |
| Twin ferrule capacity | 0.22–0.5 mm² |
| Twin ferrule range | 26–20 AWG |
| Wire stripping length | 11 mm |
| Tool size | 3.5 mm |
| Product spacing / width | 5.2 mm |
| Product height | 50.9 mm |
| Product length | 40.2 mm |
| Product depth | 40.2 mm |
| Product weight | 5.5 g |
| Housing material | Polyamide |
| Colour | Grey |
| DIN rail mounting | TH35-7.5 / TH35-15 |
| Protection rating | IP20 |
| Flammability rating | UL 94V-0 |
| Installation temperature range | -5 to +40 °C |
| Operating temperature range | -55 to +110 °C |
The ZK2.5 is a 2.5 mm² ENTRELEC SNK PI-Spring feed-through terminal block designed for compact DIN rail power and signal connections in industrial electrical systems.
The ZK2.5 uses a PI-Spring spring terminal connection, providing spring-loaded conductor retention rather than a conventional screw clamp connection.
The terminal accepts single flexible conductors from 0.22–2.5 mm² and rigid stranded conductors from 0.2–4 mm². Insulated and non-insulated ferrules from 0.22–2.5 mm² are also supported.
The ZK2.5 has an IEC current rating of 24 A and an IEC voltage rating of 1000 V, together with an 8000 V impulse withstand voltage.
The ZK2.5 has a compact product spacing of 5.2 mm, helping maximise the number of connection points that can be installed on a DIN rail.
The ZK2.5 is designed for DIN rail mounting and is compatible with TH35-7.5 and TH35-15 rails.
The ZK2.5 1SNK705010R0000 has a grey polyamide housing and an IP20 protection rating.
The ZK2.5 is specified for operation from -55 to +110 °C, with an installation temperature range of -5 to +40 °C.
TE Connectivity ENTRELEC SNK PI-Spring terminal blocks combine compact dimensions, dependable spring connection technology and strong electrical performance, helping panel builders, automation engineers and machine manufacturers create efficient, organised and maintainable industrial wiring systems.
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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...