Product Introduction
The Yokogawa ATT4S-00 S2 Pressure Clamp Terminal Block is an enhanced version of the standard ATT4S series, engineered to deliver secure, maintenance-efficient wiring solutions in modern industrial control systems. Designed for seamless integration with Yokogawa I/O modules and terminal assemblies, this S2 variant introduces improved durability, connection stability, and long-term performance.
With its spring-loaded pressure clamp mechanism, it ensures consistent contact force without the need for periodic tightening, making it ideal for high-vibration and high-reliability environments.
Technical Specifications
| Parameter | Specification |
|---|
| Model | ATT4S-00 S2 |
| Module Type | Pressure Clamp Terminal Block |
| Connection Method | Spring/pressure clamp (tool-assisted) |
| Number of Terminals | 4 points |
| Rated Voltage | Up to 300 V |
| Rated Current | Up to 10 A |
| Supported Wire Size | 0.2 – 2.5 mm² |
| Contact Material | High-conductivity copper alloy |
| Insulation Material | Flame-retardant thermoplastic |
| Mounting Type | DIN rail / dedicated terminal base |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -20°C to +85°C |
| Dimensions (H×W×D) | Approx. 60 × 6 × 40 mm |
| Weight | Approx. 0.02–0.05 kg |
Industrial Applications
The ATT4S-00 S2 is widely used in industrial automation systems where wiring reliability and efficiency are critical:
-
Distributed control systems (DCS) wiring interfaces
-
PLC and remote I/O panel connections
-
Field instrumentation (transmitters, sensors, actuators)
-
Power and signal distribution panels
-
Process industries such as oil & gas, chemical, and power generation
Its compact footprint makes it particularly suitable for high-density cabinet designs.
Technical FAQs
1. What is the main function of the ATT4S-00 S2?
It provides secure electrical connections between field wiring and control system modules.
2. What distinguishes the S2 version from the standard model?
The S2 version offers enhanced durability and improved connection stability.
3. How many terminals does it include?
It features 4 connection points.
4. What type of wiring method does it use?
It uses a spring-loaded pressure clamp mechanism.
5. What wire sizes are supported?
Typically from 0.2 mm² to 2.5 mm².
6. Is it suitable for vibration-prone environments?
Yes, the clamp design ensures stable connections under vibration.
7. Does it require screws for connection?
No, it eliminates the need for screw terminals.
8. What is the rated current capacity?
Up to approximately 10 A depending on usage conditions.
9. How is it mounted?
It is installed on DIN rails or compatible terminal bases.
10. Why choose pressure clamp terminals over screw types?
They offer faster installation, consistent contact force, and reduced maintenance.
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
