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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›The 3IDMT relay from Vishw Automation is a differential protection device designed for Alstom’s CDG31FF8101LCH model, featuring a 3D case size and dual-function operation. It supports 2 overcurrent (O/C) and 1 earth fault (E/F) protection with a current transformer secondary rating of 5 amps. The overcurrent setting range is 2.5 to 10 amps, while the earth fault setting spans 1 to 4 amps, delivering precise fault detection for medium-voltage applications.
Constructed with 2 make and 2 break (2M 2B) hand-reset (H/R) output contacts, this relay operates within a 3VA burden and a 3-second trip time at 50Hz frequency. Standard taps and a nameplate reference of RFG9126 904 O/L are included, with wiring diagram MFDZ 801.95-1 and arrangement MFJ 013. The unit is typical of modern numerical relays, which use digital signal processing for enhanced accuracy in fault isolation, reducing downtime in electrical networks.
This relay is sourced for utility substations, industrial plants, and renewable energy projects requiring reliable differential protection for transformers and generators. Buyers in India typically confirm compatibility with their existing Alstom systems, as the model aligns with standard grid codes for voltage and frequency stability. Vishw Automation provides the unit with technical documentation, though verification of installation parameters and calibration is advised before deployment.
| Model Number | CDG31FF8101LCH |
| Case Size | 3D |
| Application | 2 O/C & 1 E/F |
| CT Secondary Rating | 5 Amps |
| Overcurrent Setting Range | 2.5 to 10 Amps |
| Earth Fault Setting Range | 1 to 4 Amps |
| Output Contacts | 2M 2B H/R |
| Burden | 3 VA |
| Operating Time | 3 Secs |
| Frequency | 50 Hz |
| Nameplate Reference | RFG9126 904 O/L |
| Wiring Diagram | MFDZ 801.95 - 1 |
| Arrangement | MFJ 013 |
| Typical Protection Class | Differential (87) - standard for transformer protection |
| Typical Accuracy Class | 5P20 - standard for CTs in protection schemes |
Vishw Automation is based in Anand, Gujarat, India, operating from A-19, Krishna Villa Society near Green Villa, behind Zydus Hospital on 100 Ft Road. The supplier specialises in electrical protection relays and associated components for industrial and utility applications, with a focus on compatibility with established OEMs like Alstom. The address places the business in a region known for engineering and manufacturing clusters, supporting local procurement and logistics.
The company holds a Harbor trust tier on the platform, with no recorded response rate or average response time in the provided data. This indicates either a new or minimally active profile, so buyers are advised to verify communication channels and technical support availability directly. The listing does not state certifications, production capacity, or client references, so due diligence on these aspects is recommended before placing orders.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Before ordering, verify the relay’s compatibility with your existing Alstom CDG31FF series system, as model-specific parameters like wiring diagrams and nameplate references must align. Confirm the current transformer ratios and secondary ratings match your installation, as mismatches can lead to incorrect trip thresholds or CT saturation. Request the full technical datasheet from Vishw Automation to cross-check dimensions, mounting requirements, and environmental specifications such as operating temperature ranges.
Logistics and lead times should be clarified directly with the supplier, as the Harbor trust tier does not provide response metrics. Standard Incoterms for electrical components from India often include FOB Nhava Sheva or CIF to major ports, but confirm whether Vishw Automation can arrange freight or if you must handle shipping. Payment terms typically range from 30% advance and 70% against shipping documents for new buyers, but negotiate based on your credit terms and order volume.
Quality checks should include a pre-dispatch inspection of the relay’s mechanical and electrical integrity, such as contact resistance tests and verification of setting ranges. Request a calibration certificate to ensure the relay meets its 3VA burden and 3-second operating time specifications. For critical applications, consider third-party testing to validate performance under simulated fault conditions, and ensure the supplier provides a warranty covering defects in materials and workmanship for at least 12 months.
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