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1sna174789r0500 – bjs8 20 pole jumper bar
TE Connectivity 1SNA174789R0500 BJS8-20 is a 20-pole 8 mm pitch screw-in jumper bar rated at 41 A for cross-connecting compatible ENTRELEC SNA terminal blocks.
£4.12
Why Choose the TE Connectivity 1SNA174789R0500 BJS8-20 Jumper Bar?
The TE Connectivity 1SNA174789R0500, also identified as the BJS8-20, is a 20-pole terminal block jumper bar designed for compatible ENTRELEC SNA terminal blocks with 8 mm spacing. It provides an efficient way to bridge multiple adjacent terminals and distribute a common electrical potential across a terminal block assembly.
The BJS8-20 is a screw-in, perforated jumper bar supplied without captive screws or spacers. Compatible fastening kits are used to secure the jumper bar to the terminal blocks, providing a robust cross-connection suitable for industrial control, automation and electrical distribution panels.
With a rated main-circuit current of 41 A, 20 interconnected positions and a compact net weight of approximately 3.2 g, the 1SNA174789R0500 offers a practical alternative to installing numerous individual jumper wires. It is compatible with a broad selection of 8 mm-pitch ENTRELEC SNA terminals.
Key Advantages
- Provides 20-pole cross-connection from a single jumper bar.
- 8 mm pitch matches compatible ENTRELEC SNA terminal blocks.
- Rated for 41 A in the main circuit.
- Reduces individual jumper wiring and helps simplify panel construction.
- Screw-in design provides a secure mechanical and electrical connection.
- Compatible with numerous D-series and M-series ENTRELEC terminal blocks.
Key Features
- TE Connectivity / ENTRELEC BJS8-20 jumper bar.
- Manufacturer part number: 1SNA174789R0500.
- 20-pole configuration.
- 8 mm spacing.
- 41 A rated main-circuit current.
- Screw-in cross-connection style.
- Perforated jumper bar without captive screw or spacer.
- Installed using compatible fastening kits.
- Part of the established ENTRELEC SNA terminal block system.
Reliable 20-Pole Cross-Connection for Industrial Panels
Terminal block jumper bars distribute a common potential between neighbouring terminals without requiring a separate wire between every connection point. The BJS8-20 provides 20 positions at an 8 mm pitch, helping panel builders reduce wiring time, minimise conductor congestion and create a more organised terminal assembly.
The BJS8-20 is secured to compatible terminal blocks using the appropriate fastening kits. This screw-in arrangement provides a dependable mechanical connection while supporting a main-circuit current rating of 41 A, making the jumper suitable for a wide range of industrial control and distribution applications.
Typical Applications
- Common-potential distribution in industrial control panels.
- ENTRELEC SNA 8 mm-pitch terminal block assemblies.
- Machine control and factory automation cabinets.
- PLC and instrumentation wiring systems.
- Industrial electrical distribution panels.
- Power and auxiliary circuit cross-connections.
- Maintenance and refurbishment of existing ENTRELEC installations.
Technical Specifications
| Manufacturer | TE Connectivity / ENTRELEC |
|---|---|
| Series | SNA |
| Model | BJS8-20 |
| Manufacturer part number | 1SNA174789R0500 |
| Product type | Terminal block jumper bar / cross-connector |
| Function | Jumper bar |
| Number of poles | 20 |
| Spacing / pitch | 8 mm |
| Rated current, main circuit | 41 A |
| Connection style | Screw-in |
| Construction | Perforated jumper bar without captive screw and spacer |
| Installation | Compatible fastening kit required |
| Suitable for | D2.5/8.ADO, D2.5/8.ADO.NF, D4/8.ADO, D4/8.ADO.NF, D6/8.ADO, D6/8.ADO.RS, D6/8.D2.ADO and D6/8.ST.RS |
| Also suitable for | M4/8.D2.SB, M4/8.D2.SF, M6/8, M6/8.D, M6/8.RS, M6/8.ST and M6/8.STP |
| DIN rail compatibility | G32, 32 × 15 mm |
| DIN rail standard | IEC 60715 |
| Operating temperature range | -55 to +110 °C |
| Product net weight | 3.2 g |
| Minimum order quantity | 5 pieces |
| Pack quantity | 5 pieces |
| EAN | 3472591747898 |
| Customs tariff number | 85369010 |
| ETIM classification | EC000489 – Cross-connector for terminal block |
Frequently Asked Questions
What is the TE Connectivity 1SNA174789R0500?
The 1SNA174789R0500 is a BJS8-20 20-pole jumper bar used to cross-connect compatible 8 mm-pitch ENTRELEC SNA terminal blocks.
How many poles does the BJS8-20 jumper bar have?
The BJS8-20 provides 20 interconnected positions, allowing a common electrical potential to be distributed across up to 20 compatible adjacent terminal positions.
What is the pitch of the 1SNA174789R0500?
The jumper bar has a terminal spacing or pitch of 8 mm.
What is the current rating of the BJS8-20?
The BJS8-20 has a rated main-circuit current of 41 A.
Does the BJS8-20 include its fastening screws?
No. The BJS8-20 is a perforated jumper bar supplied without captive screws and spacers. The appropriate fastening kits are used to secure it to compatible terminal blocks.
Trusted for Professional Terminal Block Cross-Connections
TE Connectivity ENTRELEC SNA jumper bars are used by panel builders, automation engineers and industrial electricians to create compact, dependable and serviceable common-potential connections within terminal block assemblies.
