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1sna146304r0300 – d120/42.ff.ex atex power
TE Connectivity 1SNA146304R0300 D120/42.FF.EX is a grey 120 mm² two-position feed-through screw-clamp power terminal block with a maximum contact current rating of 269 A for heavy-duty industrial power distribution and DIN rail installations.
£18.20
Why Choose the TE Connectivity 1SNA146304R0300 D120/42.FF.EX Power Terminal Block?
The TE Connectivity 1SNA146304R0300, manufacturer designation D120/42.FF.EX, is a heavy-duty feed-through screw-clamp power terminal block from the ENTRELEC SNA range, designed for secure termination of large conductors in industrial power distribution, control panels and electrical equipment. Its robust construction and 120 mm² wire capacity make it particularly suitable for high-current circuits where reliable mechanical and electrical connections are essential.
The D120/42.FF.EX provides two connection positions and a maximum contact current rating of 269 A. Conductors are terminated by a robust screw/stud arrangement suitable for cable-lug connections, providing the clamping force required for demanding industrial power applications while supporting straightforward inspection and maintenance.
With a 42 mm terminal spacing, grey housing and DIN rail mounting, the 1SNA146304R0300 integrates into industrial distribution and control assemblies while accommodating conductors up to 120 mm². Its wide -55 to +110 °C operating temperature range further supports dependable use across demanding industrial environments.
Key Advantages
- Heavy-duty 120 mm² feed-through power terminal block.
- Maximum 269 A contact current rating for high-current circuits.
- Robust screw/stud termination suitable for secure cable-lug connections.
- Two-position feed-through configuration for straightforward conductor continuity.
- Space-efficient 42 mm terminal spacing.
- Compatible with standard 35 mm DIN rail systems.
- Wide -55 to +110 °C operating temperature range for demanding installations.
Key Features
- TE Connectivity / ENTRELEC SNA D120/42.FF.EX.
- Feed-through terminal block.
- Screw terminal connection technology.
- 120 mm² wire size.
- 269 A maximum contact current rating.
- Two connection positions.
- 42 mm product spacing.
- Grey industrial housing.
- DIN rail mounting for panel and switchgear integration.
- Designed for robust high-current conductor termination.
Heavy-Duty Connectivity for Industrial Power Distribution
High-current terminal blocks such as the D120/42.FF.EX provide a secure transition between large conductors within power distribution and industrial control equipment. The robust screw/stud termination arrangement applies strong mechanical clamping force to suitable conductor terminations, helping maintain dependable electrical contact in demanding installations.
The combination of a 120 mm² conductor capacity, 269 A maximum contact current rating and standard 35 mm DIN rail compatibility makes the 1SNA146304R0300 particularly suitable for industrial panels where substantial electrical loads must be distributed through compact, organised and serviceable terminal assemblies.
Typical Applications
- Industrial power distribution panels.
- Motor control centres and switchgear assemblies.
- Heavy machinery and production equipment.
- High-current incoming and outgoing power connections.
- Industrial control and automation cabinets.
- Large conductor and cable-lug termination.
- OEM electrical distribution assemblies.
Technical Specifications
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| Number of Levels | 2 | |
|---|---|---|
| Connection | Screw clamp | |
| Terminal Type | Multi-level | |
| Conductor Size | 120 mm² | |
| Product Series | TE SNA | |
| Colour | Grey | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | ENTRELEC SNA | |
| Model | D120/42.FF.EX | |
| Manufacturer part number | 1SNA146304R0300 | |
| Product type | Screw-clamp feed-through terminal block | |
| Block function | Feed-through | |
| Termination method | Screw terminal | |
| Wire size | 120 mm² | |
| Connecting capacity, rigid | 1 × 6–120 mm² | |
| Maximum contact current rating | 269 A | |
| Number of positions | 2 | |
| Product spacing | 42 mm | |
| Colour | Grey | |
| Mounting type | DIN rail | |
| Compatible DIN rails | TH35-7.5 and TH35-15 to IEC 60715 | |
| Cable lug tightening torque | 20 N·m | |
| Central bolt tightening torque | 12 N·m | |
| Operating temperature | -55 to +110 °C | |
| Dimensions (W × H × D) | 42 × 140 × 68.5 mm | |
| Weight | approximately 423 g |
Frequently Asked Questions
What is the TE Connectivity 1SNA146304R0300 used for?
The 1SNA146304R0300 is a heavy-duty feed-through terminal block used to connect large conductors in industrial power distribution, control panels, switchgear and machinery.
What conductor size is supported by the D120/42.FF.EX?
The terminal is specified for a 120 mm² wire size, with a rigid conductor connecting capacity of 1 × 6–120 mm².
What is the current rating of the 1SNA146304R0300?
TE Connectivity specifies a maximum contact current rating of 269 A for the D120/42.FF.EX.
What connection technology does the D120/42.FF.EX use?
It is a screw-clamp terminal block using a robust screw/stud termination arrangement suitable for secure high-current conductor connections.
Which DIN rails are compatible with the 1SNA146304R0300?
The terminal is suitable for TH35-7.5 and TH35-15 35 mm DIN rails in accordance with IEC 60715.
What is the spacing of the D120/42.FF.EX terminal block?
The terminal has a product spacing of 42 mm, equivalent to approximately 1.65 in.
What temperature range is the 1SNA146304R0300 designed for?
The terminal block has an operating temperature range of -55 to +110 °C.
Trusted for Heavy-Duty Industrial Connectivity
TE Connectivity ENTRELEC SNA terminal blocks provide robust conductor termination for industrial power distribution, switchgear, machinery and control equipment where high-current capability, secure connections and dependable DIN rail integration are essential.
