Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ZS4-T3 – 4mm SCREW TRIPLE TERMINAL GREY
TE Connectivity ENTRELEC ZS4-T3 1SNK505212R0000 is a grey 5.2 mm pitch triple-level SNK Series feed-through screw clamp DIN rail terminal block providing three circuits and six positions, rated at 32 A and 800 V IEC for conductors up to 4 mm².
£2.32
Why Choose the TE Connectivity ZS4-T3 1SNK505212R0000 Triple-Level Terminal Block?
The TE Connectivity ENTRELEC ZS4-T3 1SNK505212R0000 is a grey 4 mm² triple-level feed-through screw clamp terminal block from the SNK Series, designed to provide three independent circuits in a compact DIN rail footprint. With 3 levels, 3 circuits and 6 connection positions, it is particularly suited to high-density industrial control, automation and instrumentation wiring.
The ZS4-T3 uses proven screw terminal technology and accepts flexible conductors from 0.22–4 mm² and rigid stranded conductors from 0.2–4 mm². Its compact 5.2 mm pitch allows multiple circuits to be accommodated efficiently while providing an IEC current rating of 32 A and voltage rating of 800 V.
Manufactured with a durable grey polyamide housing, the terminal block mounts onto standard TH35-7.5 or TH35-15 DIN rail. It provides IP20 protection, a UL 94V-0 flammability rating and an operating temperature range of -55 to +110 °C, making it suitable for demanding industrial electrical installations.
Key Advantages
- Triple-level design provides three independent circuits in one compact terminal block.
- 6 connection positions for efficient multi-circuit wiring.
- 32 A IEC current rating and 800 V IEC voltage rating.
- Compact 5.2 mm pitch helps maximise available DIN rail space.
- Accepts flexible and rigid stranded conductors up to 4 mm².
- Reliable screw clamp connection for secure conductor termination.
- Compatible with standard TH35-7.5 and TH35-15 DIN rails.
- IP20 protection and UL 94V-0 flame-retardant housing.
Key Features
- TE Connectivity ENTRELEC SNK Series terminal block.
- ZS4-T3 triple-level feed-through configuration.
- 3 circuits across 3 levels.
- 6 connection positions.
- 5.2 mm product spacing.
- 480 A short-time withstand current for 1 second.
- 8 kV IEC impulse withstand voltage.
- Suitable for power and signal circuits.
- Durable grey polyamide housing.
- 10.5 mm conductor stripping length.
Space-Efficient Triple-Level Terminal Connections
Triple-level terminal blocks provide multiple independent conductor paths within the DIN rail width normally occupied by a single terminal position. This makes them particularly useful in densely populated control cabinets where panel space is limited and several related circuits need to be arranged in an organised, accessible format.
The ENTRELEC ZS4-T3 combines three feed-through circuits with a narrow 5.2 mm pitch, allowing panel builders to increase connection density without sacrificing the familiarity and reliability of screw clamp termination. Its six connection positions make it suitable for power, signal, control and instrumentation wiring in complex industrial systems.
Typical Applications
- High-density industrial control panels.
- PLC and automation cabinets.
- Instrumentation and process control systems.
- Machine building and OEM electrical equipment.
- Power and signal circuit distribution.
- Switchgear and distribution assemblies.
- Multi-level DIN rail wiring systems.
- Industrial machinery and production equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Number of Levels | 3 | |
|---|---|---|
| Product Series | TE SNK | |
| Connection | Spring clamp | |
| Terminal Type | Feed-through | |
| Conductor Size | 4 mm² | |
| Colour | Grey | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | ENTRELEC SNK | |
| Model | ZS4-T3 | |
| Part number | 1SNK505212R0000 | |
| Product type | Screw clamp terminal block | |
| Terminal type | Feed-through | |
| Connection type | Screw terminal | |
| Terminal size | 4 mm² | |
| Configuration | Triple-level | |
| Colour | Grey | |
| Number of circuits | 3 | |
| Number of levels | 3 | |
| Number of positions | 6 | |
| Gauge type | A3-B3 | |
| Product spacing | 5.2 mm | |
| IEC current rating | 32 A | |
| UL current rating | 20 A | |
| CSA current rating | 20 A | |
| IEC voltage rating | 800 V | |
| UL / CSA operating voltage | 300 V | |
| Short-time withstand current, 1 s | 480 A | |
| IEC impulse withstand voltage | 8 kV | |
| Maximum dielectric withstand voltage | 2000 V | |
| Power loss | 3 W | |
| Flexible conductor capacity | 0.22–4 mm² | |
| Rigid stranded conductor capacity | 0.2–4 mm² | |
| Conductor range | 24–12 AWG | |
| Insulated ferrule capacity | 0.22–2.5 mm² | |
| Non-insulated ferrule capacity | 0.22–4 mm² | |
| Twin ferrule capacity | 0.22–1.5 mm² | |
| Two flexible conductors per screw clamp | 0.2–1.5 mm² | |
| Two rigid stranded conductors per screw clamp | 0.2–1.5 mm² | |
| Wire stripping length | 10.5 mm | |
| Tool size | 3.5 mm | |
| DIN rail mounting | TH35-15 / TH35-7.5 | |
| Housing material | Polyamide | |
| Height | 100.1 mm | |
| Length | 78.4 mm | |
| Depth | 78.4 mm | |
| Weight | 24.4 g | |
| Operating temperature | -55 to +110 °C | |
| Installation temperature | -5 to +40 °C | |
| Circuit application | Power and signal | |
| Ingress protection | IP20 | |
| UL flammability rating | UL 94V-0 |
Frequently Asked Questions
What is the TE Connectivity ZS4-T3 1SNK505212R0000?
It is a grey 4 mm² triple-level feed-through screw clamp terminal block from the ENTRELEC SNK Series, providing three circuits and six connection positions in a compact DIN rail format.
How many levels and circuits does the ZS4-T3 provide?
The ZS4-T3 has 3 levels and 3 independent circuits, with a total of 6 connection positions.
What are the electrical ratings of the ZS4-T3?
The terminal block is rated at 32 A and 800 V under IEC specifications. Its UL and CSA current ratings are 20 A, with a maximum UL/CSA main-circuit operating voltage of 300 V.
What conductor sizes can the 1SNK505212R0000 accept?
It accepts one flexible conductor from 0.22–4 mm² or one rigid stranded conductor from 0.2–4 mm², with additional capacities available for ferrules and dual-conductor connections.
Which DIN rails are compatible with the ZS4-T3?
The terminal block is designed for mounting on standard TH35-7.5 and TH35-15 DIN rails.
Professional Multi-Level Connections for Industrial Systems
TE Connectivity ENTRELEC SNK Series multi-level terminal blocks provide compact, organised and dependable conductor connections for professional panel builders, machine manufacturers, automation engineers and industrial maintenance applications.
