If you are purchasing terminal blocks for an industrial panel, control cabinet, or automation project, the Connectwell terminal block 2.5 mm is one of the most widely used products in India. Renowned for its reliable screw-clamp design, compact DIN rail footprint, and easy availability, it is a preferred choice for electricians, panel builders, and procurement engineers alike.
This guide covers everything—from technical specifications and types to dimensions, installation tips, and where to purchase them in Mumbai.
📋 Table of Contents
- What Is a Connectwell 2.5 mm Terminal Block?
- Key Technical Specifications
- Types of Connectwell 2.5mm Terminal Blocks
- Dimensions & Mounting Details
- Features & Why Engineers Choose It
- Applications
- Why Buy from Madhu Subtronic?
- FAQs
What Is a Connectwell Terminal Block 2.5 mm ?
A terminal block is an electrical connector used to register into wires securely internal control panels, switches, and automatic systems. Coordinate Industries Pvt. Ltd. Is Indias leading manufacturer of DIN Rail and panel-mounted terminal blocks, depending on via engineers in all industrial automation, device, and power distribution sectors.
Here are the standard specs for the Connectwell CTS2.5 — the most popular 2.5mm feed-through terminal block:
The 2.5 mm (sq. Mm) variant refers to the maximum conductor go-segment the block can receive — making it ideal for labelling, controlling, and mitigating energy wiring, as seen in most commercial panels.
| Model No. | CTS2.5 / CP2.5 / CTL2.5U (series) |
| Conductor Cross Section | 2.5 sq. mm (max) |
| Rated Current | 24 A |
| Rated Voltage (IEC) | 1000 V |
| Rated Surge Voltage | 8 kV |
| Connection Type | Screw Clamp |
| Mounting Type | DIN Rail (35mm / DIN 32 / DIN 35-15) |
| Housing Material | Polyamide (PA66) |
| Color | Grey (standard) |
| Tightening Torque | 0.4 N·m |
| Pollution Degree | 3 |
| Country of Origin | India |
| Read more about Pla Relay | |
Types of Connectwell 2.5mm Terminal Blocks
Connectwell offers multiple variants to suit different wiring requirements:

Features & Why Engineers Choose It
✓ Marker Holding Recesses — Built-in slots accept standard marking tags for easy circuit identification and labelling.
✓Easy DIN Rail Mounting — Specially designed flexible foot allows snap-on mounting and removal with just a flat screwdriver — no special tools needed.
✓Cross-Connection Ready — Supports shorting links, sleeves, and cross-bar accessories for efficient multi-wire connections.
✓Polyamide Housing — High-temperature resistant PA66 material ensures durability in industrial environments.
✓IEC Certified — Meets IEC 60947-7-1 standards. Rated up to 1000V and 8kV surge — suitable for demanding industrial installations.
✓Made in India — Manufactured by Connectwell Industries Pvt. Ltd., ensuring consistent quality, easy availability, and after-sales support.
Applications
Connectwell 2.5 mm terminal blocks are used across a wide range of industries and applications:
Industrial Automation Control Panels Instrumentation Power Distribution
Machine Building Process Control PLC Panels Building Automation Switchgear
Oil & Gas.
Whether you’re building a small PLC cabinet or a large switchgear panel, the 2.5mm size handles the most common signal and control wiring found in 90% of industrial installations.
Why Buy from Madhu Subtronic Components Pvt Ltd?
When you source Connectwell 2.5mm terminal blocks from Madhu Subtronic Components Pvt Ltd, you get 100% genuine, original products — no counterfeits, no compromise on quality. We maintain ready stock of a wide range of 2.5mm variants to fulfil both individual and bulk orders without delays, offering the most competitive prices in Mumbai for contractors, panel builders, and industrial buyers alike. Our team provides expert technical support for model selection, datasheet queries, and application-specific guidance, so you always get the right product for your requirement. With same-day or next-day delivery across Mumbai and Maharashtra, plus a complete range of Connectwell accessories including end covers, marker tags, and shorting links — Madhu Subtronic is your one-stop shop for all terminal block needs.
Frequently Asked Questions
Q
What is the current rating of Connectwell 2.5mm terminal block?
The standard Connectwell CTS2.5 and CTL2.5U are rated for 24 Amperes at a rated voltage of 500V to 1000V depending on the series. Always check the specific model datasheet for your application.
Q
What DIN rail size does Connectwell 2.5mm terminal block use?
These terminal blocks are compatible with standard DIN 35×7.5mm, DIN 35×15mm, and DIN 32 rails — the most commonly available rail types in India.
Q
Is Connectwell 2.5mm available with a fuse?
Yes. Connectwell offers the CFS2.5 series — a 2.5mm terminal block with integrated fuse holder, ideal for protecting individual circuits in control panels.
Q
What is the pitch (width) of Connectwell 2.5mm terminal block?
The standard pitch is 5mm for the CTS2.5 model — making it one of the most compact options for 2.5 sq.mm wiring.
Q
Where can I buy Connectwell 2.5mm terminal blocks in Mumbai?
Madhu Subtronic Components Pvt Ltd stocks a complete range of Connectwell 2.5mm terminal blocks including feed-through, multi-level, fused, and push-in types. Call 9167608067 for availability and pricing.
Q
Can I get shorting links and accessories separately?
Yes. Connectwell offers matching accessories including cross-connection shorting links, end covers, marker strips, and end brackets — all available at Madhu Subtronic.
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