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ZK2.5 – 2.5mm PUSH IN TERMINAL GREY
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.
£0.5281
Why Choose the TE Connectivity ZK2.5 1SNK705010R0000 2.5 mm² Grey PI-Spring Feed-Through Terminal Block?
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.
Key Advantages
- PI-Spring connection technology supports fast and reliable conductor termination.
- Compact 5.2 mm terminal spacing helps maximise available DIN rail space.
- 24 A IEC current rating for industrial power and signal circuits.
- 1000 V IEC voltage rating provides strong electrical capability in a compact terminal.
- Accepts flexible conductors from 0.22–2.5 mm².
- Accepts rigid stranded conductors up to 4 mm².
- 8000 V impulse withstand voltage supports demanding industrial environments.
- Compatible with standard TH35-7.5 and TH35-15 DIN rails.
Key Features
- TE Connectivity ENTRELEC SNK series.
- ZK2.5 PI-Spring feed-through terminal block.
- 2.5 mm² rated wire size.
- Spring terminal connection.
- 24 A IEC current rating.
- 20 A UL and CSA current ratings.
- 1000 V IEC voltage rating.
- 600 V UL and CSA operating voltage rating.
- 8000 V IEC impulse withstand voltage.
- 300 A short-time withstand current at 1 s.
- Two positions, one circuit and one level.
- 5.2 mm product spacing.
- Grey polyamide insulating housing.
- IP20 ingress protection.
- UL 94V-0 housing flammability rating.
Fast, Compact PI-Spring Connections for Industrial Wiring
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.
Typical Applications
- Industrial control panels and electrical cabinets.
- PLC and automation system wiring.
- Machine control and production equipment.
- Power and signal distribution circuits.
- Instrumentation and process-control systems.
- Building automation and electrical distribution equipment.
- OEM machinery and electrical equipment.
- Space-efficient DIN rail terminal assemblies.
Technical Specifications
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| Number of Levels | 1 | |
|---|---|---|
| Connection | Push-in | |
| Terminal Type | Feed-through | |
| Conductor Size | 2.5 mm² | |
| Product Series | TE SNK | |
| Colour | Grey | |
| 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 |
Frequently Asked Questions
What is the TE Connectivity ZK2.5 1SNK705010R0000?
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.
What connection technology does the ZK2.5 use?
The ZK2.5 uses a PI-Spring spring terminal connection, providing spring-loaded conductor retention rather than a conventional screw clamp connection.
What conductor sizes can the ZK2.5 accept?
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.
What are the IEC electrical ratings of the ZK2.5?
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.
What is the terminal spacing of the ZK2.5?
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.
Which DIN rails are compatible with the ZK2.5?
The ZK2.5 is designed for DIN rail mounting and is compatible with TH35-7.5 and TH35-15 rails.
What colour is the 1SNK705010R0000?
The ZK2.5 1SNK705010R0000 has a grey polyamide housing and an IP20 protection rating.
What is the operating temperature range of the ZK2.5?
The ZK2.5 is specified for operation from -55 to +110 °C, with an installation temperature range of -5 to +40 °C.
Trusted for Fast and Reliable Industrial Connections
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.
