Why Your Control Panel Needs a DIN rail pluggable terminal block
In industrial automation and electrical control systems, wire termination is a critical point of both design and maintenance. Traditional fixed terminal blocks, while reliable, create challenges when you need to replace a module, perform field testing, or reconfigure a panel. This is where the DIN rail pluggable terminal block comes in.
A pluggable terminal block allows the wire harness to be pre-assembled and plugged into a rail-mounted base — eliminating screwdriver work inside tight cabinets during installation or maintenance. The result: faster commissioning, safer servicing, and reduced downtime.
At LYD, we manufacture the DIN rail pluggable terminal block — a 5.08mm pitch DIN rail pluggable terminal block designed for control panels, PLC systems, and power distribution applications.
What Is a DIN Rail Pluggable Terminal Block?
A DIN rail pluggable terminal block is a modular electrical connector that combines a pin header (fixed to the PCB or base) with a pluggable terminal (connected to field wiring). The assembly clips onto a standard DIN rail using industrial foot clips.
The key distinction from a conventional terminal block is the separable interface: you can unplug the wired terminal from the rail-mounted base without disconnecting individual wires. This feature is invaluable for:
- Modular control systems – Swap out PLC I/O modules without rewiring
- Pre-fabricated wiring – Assemble cable harnesses offline, then plug them into the panel
- Field maintenance – Isolate equipment quickly for testing or replacement
Key Specifications of the DIN rail pluggable terminal block Series
| Parameter | Value |
|---|---|
| Pitch | 5.08 mm (0.200″) |
| Rated Voltage | 300V |
| Rated Current | 15A |
| Wire Size | 0.2 – 2.5 mm² (24 – 12 AWG) |
| Housing Material | PA66 Nylon (Polyamide 66) |
| Flammability Rating | UL94 V-0 |
| Operating Temperature | –40°C to +105°C |
| Number of Poles | 2 to 24 positions |
The PA66 Nylon housing delivers excellent thermal stability and electrical insulation, while the UL94 V-0 rating ensures flame retardancy — a mandatory requirement for industrial safety compliance.
35mm vs 15mm DIN Rail: Which Foot Clip Should You Choose?
One of the most frequently asked questions by design engineers is which DIN rail size to use. The 2EDG-UKR-508 system solves this with an elegant approach: one header socket, two clip options.
35mm Foot Clip — Standard Industrial DIN Rail
- Profile: 42.50 mm (W) x 32.45 mm (H)
- Application: Main control cabinets, factory automation panels, power distribution boards
- Advantages: Industry standard (EN 60715 / DIN 35); wider availability; better for large wire bundles
15mm Foot Clip — Compact / Miniature DIN Rail
- Profile: 27.20 mm (W) x 27.95 mm (H)
- Application: Space-constrained terminal boxes, building automation, compact machinery
- Advantages: Smaller footprint; ideal when panel depth is limited
Both clips share the same 5.08mm pitch pin header, meaning you can use identical pre-wired cable assemblies across different rail systems — a significant inventory simplification.
Calculating the Total Length for Your Pole Configuration
The overall length of the terminal block (L) is calculated as:
L = P x 5.08 + 1.80 mm
Where P = number of poles.
Example: A 10-position terminal block measures 10 x 5.08 + 1.80 = 52.60 mm total length.
This formula helps you plan your DIN rail layout and ensure adequate spacing between components in the panel.
Safety and Environmental Compliance
- UL94 V-0 – Housing material self-extinguishes within 10 seconds, no flaming drips
- RoHS – Fully compliant with Directive 2011/65/EU — no restricted hazardous substances
- UL Testing Standards – Engineered to pass rigorous UL electrical and thermal testing
Applications
- Industrial Automation & PLC Control Systems
- Electrical Control Panels & Switchgears
- Power Supplies and Distribution Modules
- Process Control and Machinery Wiring
Customization Options for OEM and B2B Orders
| Custom Option | Available Choices |
|---|---|
| Housing Color | Green (standard), Blue, Black, Gray, or custom RAL |
| Pole Count | 2 to 24 positions |
| Foot Clip Type | 35mm standard clip or 15mm mini clip |
| Assembly | Pre-assembled sets or individual components |
| Labeling | Custom marking or numbering on request |
Why Choose LYD as Your Terminal Block Supplier?
- 17+ years of experience in connector and wire harness manufacturing
- UL / RoHS / REACH compliant production
- Low MOQ for standard models — ideal for prototyping and small-batch production
- Fast lead times – Stock components ship within 5–7 business days
- Engineering support – Get technical drawings (PDF/DWG) on request
Browse the DIN Rail Pluggable Terminal Block u2192
Need help selecting the right terminal block for your control panel? Contact our team: nick.xu@lyd123.com
