Product Details
Product Overview
The Yokogawa S9400UK serves as the critical energy reservoir for Distributed Control System (DCS) processors. This high-performance Nickel Cadmium (Ni-Cd) battery pack maintains volatile memory and system configurations during primary power failures. We supply this component as 100% Brand New and Original, ensuring your control logic remains intact during emergency shutdowns or scheduled maintenance.
Technical Specifications
| Feature | Specification |
| Chemistry | Nickel Cadmium (Ni-Cd) / Ni-MH Compatibility |
| Voltage | 6V |
| Capacity | 3000 mAh |
| Cell Model | HHR-30HF5G1 |
| Dimensions | 10.2 cm x 7.9 cm x 5.4 cm |
| Weight | 0.6 kg |
| Country of Origin | Japan |
| Application | DCS System Processor Backup |
Engineering Advantages
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Instantaneous Power Transition: The S9400UK delivers immediate current the moment the main power rail drops. This rapid discharge capability prevents processor resets and protects critical real-time data.
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High Thermal Stability: Industrial environments often face fluctuating cabinet temperatures. This battery chemistry withstands the heat generated by dense rack-mounted electronics without significant capacity degradation.
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Leak-Resistant Design: Yokogawa utilizes advanced sealing technology in the S9400UK to prevent electrolyte leakage. This protects the expensive gold-plated backplanes and processor cards from corrosive damage.
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Extended Service Life: The robust cell construction supports deep discharge cycles, providing a reliable multi-year service window before requiring replacement in standard DCS environments.
FAQs
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How often should I replace the S9400UK in my DCS system?
Standard preventive maintenance cycles require replacement every 2 to 3 years. Operating the system in high-temperature environments (above 40°C) accelerates chemical aging and may necessitate more frequent swaps to ensure backup integrity.
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Does this battery ship with a full charge?
Ni-Cd batteries typically ship in a partially charged state. The DCS processor module initiates a trickle-charge circuit once you install the battery and power up the system to reach 100% capacity.
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Can I use a third-party equivalent instead of the original S9400UK?
We strongly advise against non-OEM batteries. The S9400UK features specific internal resistance profiles and connector tolerances designed for Yokogawa hardware. Using generic alternatives risks system alarms or, in worst-case scenarios, memory loss during power fluctuations.
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What are the storage requirements for spare units?
Store spares in a cool, dry place between 0°C and 30°C. If you store the battery for more than six months, we recommend checking the voltage before installation to ensure optimal performance.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































