Yokogawa EC402-50 S1 ESB Bus Coupler

The Yokogawa EC402-50 S1 ESB Bus Coupler Terminal Board is a high-quality connection interface designed for secure and reliable wiring in industrial automation systems. Featuring robust construction, screw-type terminals, and excellent electrical isolation, it ensures stable signal transmission in harsh environments. Compatible with YOKOGAWA control equipment, this terminal board simplifies maintenance while meeting stringent safety standards for process control applications.

Brand: YOKOGAWA Weidmüller
Application: Industrial Signal Termination & Distribution

Key Features:

• Terminal Design:

  • Screw-type clamping terminals for secure wire connections (0.2–4mm² cross-section)

  • High-contact-pressure design to prevent loosening under vibration

  • Clear marking fields for easy circuit identification

• Electrical Properties:

  • Rated voltage: 300V AC/DC

  • Current rating: 16A per terminal

  • Isolation voltage: 1000V (terminal-to-rail)

  • Low contact resistance: <5mΩ

• Mechanical Construction:

  • Flame-retardant PA66 housing (UL94 V-0 rated)

  • Nickel-plated copper alloy contacts for corrosion resistance

  • DIN rail mounting (TS35/7.5/15 compatible)

• Environmental Durability:

  • Operating temperature: -40°C to +100°C

  • Vibration resistant: 10–55Hz, 0.75mm amplitude

  • Protection class: IP20 (finger-safe design)

• Compatibility:

  • Direct integration with YOKOGAWA FA-M3/F3RP controllers

  • Compatible with Weidmüller TOPJOB S series accessories

  • 

• Main brands

  1) TRICONEX(3008,3625,3805E.3721,3700A 4351B…)

  2) BENTLY NEVADA(3500/42M ,3500/22M,3500/95.3500/05…)

  3) HIMA(F3330,F3236 ,F6217,F7126,F8621A….)

  4) FOXBORO(FBM203,FBM204,FBM217,FMB231…)

  5)Yokogawa(SAI143-S03 S1,F9342L-02…)

  6)Westinghouse/OVATION (1C31194G01,1C31197G01,5X00106G01,1C31125G02…)

  7)SIEMENS MOORE/S5 Series (6ES7 cards,6ES5,6DD,6DP)

  8)Schneider Modicon Series (140CPU65150,140CPU67060,140CRA ,140CPS