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zs4-d2 double deck 4mm terminal
TE Connectivity ZS4-D2 1SNK505210R0000 is a 4 mm² double deck feed-through DIN rail terminal block with screw connections, two levels, four positions and IEC ratings of 29 A and 800 V.
£1.38
Why Choose the TE Connectivity ZS4-D2 1SNK505210R0000 Double Deck Terminal Block?
The TE Connectivity ZS4-D2 1SNK505210R0000 is a compact and highly reliable double deck feed-through terminal block designed for space-efficient power and signal connections in industrial control panels, switchgear and automation systems. As part of the TE Connectivity ENTRELEC SNK series, it combines two connection levels within a narrow terminal profile, helping panel builders increase wiring density while maintaining clear and accessible connections.
This terminal block uses proven screw clamp connection technology to provide secure conductor termination in demanding industrial applications. Its two-level configuration provides two independent circuits and four connection positions, making it particularly useful where control-panel space is limited and a high density of electrical connections is required.
With a nominal conductor capacity of 4 mm², an IEC current rating of 29 A and an IEC voltage rating of 800 V, the ZS4-D2 is suitable for a wide range of power and signal circuits. Its slim 5.2 mm terminal spacing and DIN rail mounting format provide an efficient solution for compact industrial electrical assemblies.
Key Advantages
- Space-saving double deck terminal block with two connection levels.
- 4 mm² nominal conductor capacity for industrial power and signal wiring.
- 29 A IEC rated current and 800 V IEC rated voltage.
- Reliable screw clamp connection technology for secure conductor termination.
- Compact 5.2 mm spacing helps maximise wiring density inside control panels.
- DIN rail mounting simplifies installation in industrial electrical cabinets.
Key Features
- TE Connectivity ENTRELEC SNK ZS4-D2 terminal block.
- Double deck / two-level configuration.
- Two independent circuits and four connection positions.
- Feed-through terminal block function.
- Screw terminal connection.
- 0.2–4 mm² conductor capacity depending on conductor type.
- 24–12 AWG conductor range.
- 29 A IEC current rating.
- 800 V IEC voltage rating.
- 5.2 mm product spacing.
- IP20 protection rating.
- UL 94V-0 polyamide housing.
Space-Efficient Connections for Industrial Control Panels
Double deck terminal blocks allow two independent electrical circuits to be accommodated within the footprint of a single terminal position. This makes them particularly valuable in high-density control cabinets where DIN rail space is limited while maintaining convenient access to individual conductors for installation, testing and maintenance.
The ZS4-D2 combines the compact architecture of the ENTRELEC SNK series with screw clamp termination and a broad conductor range. Its 29 A IEC current rating, 800 V IEC voltage rating and two-level configuration make it a versatile solution for power and signal distribution in industrial machinery, process control and factory automation systems.
Typical Applications
- Industrial control panels and electrical cabinets.
- Machine building and OEM automation systems.
- PLC and process control wiring.
- Switchgear and electrical distribution assemblies.
- Motor control centres and production machinery.
- High-density power and signal terminal connections.
Technical Specifications
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| Number of Connection Points | 24 | |
|---|---|---|
| Product Series | TE SNK | |
| Connection | Spring clamp | |
| Terminal Type | Multi-level | |
| Conductor Size | 4 mm² | |
| Number of Levels | 2 | |
| Colour | Grey | |
| Manufacturer | TE Connectivity | |
| Brand / product family | ENTRELEC | |
| Series | SNK / ZS | |
| Model | ZS4-D2 | |
| Manufacturer part number | 1SNK505210R0000 | |
| Product type | Double deck feed-through terminal block | |
| Terminal size | 4 mm² | |
| Connection type | Screw connection | |
| Block function | Feed-through | |
| Number of levels | 2 | |
| Number of circuits | 2 | |
| Number of positions | 4 | |
| Rated current (IEC) | 29 A | |
| Rated current (UL / CSA) | 20 A | |
| Rated voltage (IEC) | 800 V | |
| Rated voltage (UL / CSA) | 300 V | |
| Impulse withstand voltage (IEC) | 8000 V | |
| Dielectric withstand voltage | 2000 V | |
| Short-time withstand current at 1 s | 480 A | |
| Flexible conductor range | 0.22–4 mm² / 24–12 AWG | |
| Rigid stranded conductor range | 0.2–4 mm² / 24–12 AWG | |
| Insulated ferrule capacity | 0.22–2.5 mm² / 24–14 AWG | |
| Wire stripping length | 10 mm | |
| Terminal spacing | 5.2 mm | |
| Housing material | Polyamide | |
| Colour | Grey | |
| Protection rating | IP20 | |
| Flammability rating | UL 94V-0 | |
| Mounting type | DIN rail | |
| DIN rail compatibility | TH35-7.5 / TH35-15 | |
| Height | 70.4 mm | |
| Length / depth | 65.5 mm | |
| Weight | 15.3 g | |
| Operating temperature | -55–110 °C | |
| Installation temperature | -5–40 °C |
Frequently Asked Questions
What is the TE Connectivity ZS4-D2 1SNK505210R0000 used for?
The ZS4-D2 is a double deck feed-through terminal block used to connect power and signal conductors in industrial control panels, switchgear, machinery and automation systems.
What conductor size does the ZS4-D2 support?
The terminal has a nominal 4 mm² size and accepts conductors up to 4 mm², with the precise permitted range depending on conductor and ferrule type.
What are the current and voltage ratings of the ZS4-D2?
The ZS4-D2 is rated at 29 A and 800 V under IEC specifications, with UL and CSA ratings of 20 A and 300 V.
How many levels and connection positions does the ZS4-D2 have?
The terminal block has two levels, two independent circuits and four connection positions, providing a compact solution for high-density panel wiring.
How is the ZS4-D2 installed?
The ZS4-D2 is designed for DIN rail mounting and supports TH35-7.5 and TH35-15 mounting rails, making it suitable for standard industrial electrical cabinets and control panels.
Trusted Industrial Connectivity from TE Connectivity
TE Connectivity ENTRELEC SNK terminal blocks are designed to provide reliable, space-efficient electrical connections for panel builders, automation engineers and machine manufacturers working with modern industrial control and power distribution systems.
