The SB Smart CM4S2YG Earth Terminal Block is a high-performance industrial grounding terminal block designed for safe earthing, secure wire connection, and reliable electrical protection in industrial and commercial electrical systems. Engineered for modern control panels, switchgear assemblies, automation systems, PLC cabinets, machine wiring installations, and electrical distribution systems, this earth terminal block provides a safe and efficient grounding solution that protects equipment, wiring systems, and personnel from electrical faults.
In industrial electrical systems, grounding plays a critical role in maintaining operational safety, equipment protection, and stable electrical performance. Without a proper earthing terminal system, leakage current, electrical faults, short circuits, voltage surges, and insulation failures can create dangerous operating conditions and cause damage to connected equipment.
The CM4S2YG Earth Terminal Block is specifically designed to provide a secure grounding connection by safely connecting protective earth conductors to DIN rail grounding systems. It helps create a dependable earthing path that supports fault current discharge and electrical safety in industrial wiring installations.
Designed for 4 mm² conductor capacity, this earth terminal block is ideal for industrial panel wiring where protective grounding is essential. Its secure screw clamp connection ensures strong conductor retention and stable electrical contact, reducing the risk of loose wire connections, grounding failures, overheating, and maintenance issues.
The yellow-green housing color clearly identifies the terminal as a dedicated grounding terminal according to standard industrial electrical panel practices. This improves wiring identification, maintenance safety, troubleshooting speed, and professional panel organization.
Built using high-quality Polyamide (PA 6.6) flame-retardant housing, corrosion-resistant conductive components, and durable industrial-grade materials, the SB Smart CM4S2YG provides excellent thermal stability, insulation performance, mechanical strength, and long-term reliability in demanding industrial environments.
Its DIN rail mounting design allows quick and secure installation on standard TS-35 DIN rails, where grounding contact is established through the rail for effective protective earthing performance.
Unlike standard feed-through terminals, the CM4S2YG Earth Terminal Block performs a critical protective function by ensuring safe grounding of electrical systems and connected equipment.
Its compact modular design helps optimize panel space while supporting organized terminal layouts and professional wiring structures.
The SB Smart CM4S2YG is widely used in:
This earth terminal block is an ideal solution for electricians, automation engineers, OEM panel builders, industrial contractors, maintenance professionals, and electrical system integrators who require safe earthing, reliable grounding, and industrial-grade electrical protection.
The terminal helps improve:
By combining secure wire clamping, DIN rail earthing contact, flame-retardant safety housing, compact modular design, and industrial-grade construction, the SB Smart CM4S2YG Earth Terminal Block provides a professional grounding solution for modern industrial electrical systems.
Designed for safety, durability, organized wiring, and long-term industrial reliability, the CM4S2YG helps improve grounding performance, reduce electrical risks, protect equipment, and support professional control panel assembly in demanding industrial applications.
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| Specification | Details |
|---|---|
| Product Model | CM4S2YG |
| Product Type | Earth Terminal Block |
| Terminal Function | Grounding / Earthing Connection |
| Rated Cross Section | 4 mm² |
| Rated Voltage | 800 V |
| Rated Current | 32 A |
| Connection Type | Screw Clamp |
| Number of Connections | 2 |
| Number of Levels | 1 |
| Mounting Type | TS-35 DIN Rail |
| Wire Size (Solid) | 0.2 – 6 mm² |
| Wire Size (Stranded) | 0.2 – 4 mm² |
| Stripping Length | 9 mm |
| Housing Material | Polyamide (PA 6.6) |
| Contact Material | Copper Alloy |
| Screw Material | Zinc Plated Steel |
| Terminal Color | Yellow-Green |
| Earthing Contact | DIN Rail Ground Contact |
| Flammability Class | UL94 V-0 |
| Thermal Stability | Industrial Grade |
| Heat Resistance | Yes |
| Corrosion Resistance | Yes |
| Moisture Resistance | Yes |
| Dust Resistance | Industrial Grade |
| Vibration Stability | Yes |
| Mechanical Strength | High |
| Mounting Stability | Secure DIN Rail Fitment |
| Maintenance Benefit | Easy Ground Identification |
| Service Life | Long Industrial Use |
| Main Usage | Protective Grounding Connection |
| Panel Benefit | Safe Earthing & Organized Wiring |
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► Safe Earthing Connection
Provides reliable grounding for industrial electrical systems.
► Yellow-Green Ground Identification
Easy visual identification for protective earth wiring.
► 32A Current Capacity
Suitable for industrial grounding applications.
► DIN Rail Ground Contact
Creates secure protective earth connection through DIN rail mounting.
► Secure Screw Clamp Connection
Strong conductor holding for safe grounding.
► Industrial Grade Durability
Built for harsh industrial environments.
► Flame Retardant Safety Housing
Made with UL94 V-0 Polyamide material.
► Compact Panel Wiring Design
Supports organized control panel layouts.
► Maintenance Friendly
Improves troubleshooting and servicing safety.
► Long Service Life
Durable construction for industrial use.
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✔ PLC Panels
✔ Industrial Control Cabinets
✔ Switchgear Assemblies
✔ Automation Systems
✔ Relay Logic Panels
✔ Machine Wiring Systems
✔ Instrumentation Panels
✔ Power Distribution Boards
✔ OEM Electrical Equipment
✔ Industrial Electrical Installations
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