Relay and Control Panel (CRP)
MOBY Relay and Control Panels (CRP) are engineered for high-voltage transmission and distribution substations from 6.6 kV up to 132 kV. Integrating cutting-edge numerical multifunction protection relays, active mimic control diagrams, breaker status indicators, and Class 0.2S digital revenue metering, our panels protect high-capital transformers, busbars, and transmission lines while ensuring seamless IEC 61850 substation automation.
Comprehensive Technical Specifications
Detailed parameter ratings, insulation limits, standards compliance, and fabrication tolerances engineered for Relay and Control Panel (CRP).
| Technical Parameter | Engineering Specification | Compliance Standard / Condition |
|---|---|---|
| 🔷 Electrical System & Protection Architecture | ||
| Nominal Substation Voltage | 6.6 kV / 11 kV / 33 kV / 66 kV / 132 kV | IS / IEC Standard |
| Auxiliary DC Supply Voltage | 24V / 30V / 110V / 220V DC from station battery | Station DC Bus |
| Auxiliary AC Supply Voltage | 230V AC ± 10%, 50 Hz for panel illumination & heaters | Station AC Bus |
| Numerical Protection Functions | Overcurrent & Earth Fault (50/51/51N), Transformer Differential (87T), Distance Protection (21), Under-Frequency (81), Master Trip (86) | IEEE C37.2 Device Codes |
| Secondary CT Inputs | 1A or 5A rated (100A 1s thermal withstand) | IS 2705 / IEC 60044 |
| Secondary PT Inputs | 110V AC (Phase-to-Phase) / 63.5V AC (Phase-to-Neutral) | IS 3156 / IEC 60044 |
| 🔷 Control, Mimic & Metering Elements | ||
| Breaker Control Switch | Trip-Neutral-Close (T-N-C) pistol-grip heavy duty rotary switch | Spring Return to Neutral |
| Local / Remote Selector | Key-operated lockable Local / Remote / Supervisory selector switch | Security Interlocked |
| Active Mimic Diagram | Engraved acrylic or aluminium mimic diagram with active dual-color LED indicators | Real-Time Bus Mimic |
| Energy & Tariff Metering | Class 0.2S / 0.5S Multi-Function Digital Energy Meter with optical port | IS 14697 / IEC 62053 |
| Alarm Annunciator | 12 to 24-Window microprocessor alarm annunciator with Test/Accept/Reset pushbuttons | High-Audibility Hooter |
| Communication Bus | Dual redundant optical fiber Ethernet ports supporting IEC 61850 Station Bus & Goose messaging | Substation Automation Ready |
| 🔷 Mechanical & Constructional Data | ||
| Panel Architecture Style | Simplex (Front access), Duplex (Corridor walk-through), or Swing-Frame | Custom Grid Layout |
| Sheet Steel Fabrication | 2.0 mm CRCA framework and doors / 3.0 mm bottom cable gland plates | Vermin-Proof |
| Surface Coating | 7-Tank Pretreatment, Powder Coated RAL 7032 / 7035 with 80+ microns thickness | Corrosion Resistant |
| Degree of Enclosure Protection | IP52 (Vermin & dust proof with neoprene foam gasketing) | IS/IEC 60529 |
| Anti-Condensation Protection | Thermostatically controlled space heaters with humidistat & door-operated CFL/LED lamps | Moisture Prevention |
Key Engineering & Operational Features
Why electrical consultants, industrial plants, and utility engineers specify MOBY Relay and Control Panel (CRP).
Advanced Numerical Protection
Compatible with world-class numerical relays (ABB Relion, Siemens Reyrolle/Siprotec, Schneider Micom) providing millisecond fault clearance and comprehensive fault recording.
IEC 61850 Substation Automation
Fully interoperable with modern grid automation architectures via IEC 61850 protocol, enabling high-speed GOOSE peer-to-peer tripping and remote SCADA monitoring.
Intuitive Active Mimic Diagrams
Clear, color-coded mimic busbars with semaphore indicators provide operators with immediate situational awareness of breaker and isolator positions before switching.
Class 0.2S High-Accuracy Metering
Integrated multi-function revenue meters capture active, reactive, and apparent energy, power factor, harmonics, and load profile records with bidirectional capability.
Comprehensive Fault Annunciation
Microprocessor annunciator flashes prioritized visual alerts for transformer buchholz alarms, winding over-temperature, bus earth faults, and DC battery failure.
Vermin-Proof & Heavy-Duty Enclosure
Built with dust-sealed gaskets, fine wire-mesh breathers, and vermin-proof bottom plates to prevent insect intrusion into sensitive digital circuitry.
Certified Quality & Factory Testing Standards
Every Relay and Control Panel (CRP) is manufactured under strict ISO 9001:2008 quality control protocols and subjected to comprehensive routine testing at our Kolkata facility before dispatch.
Target Industrial Sectors & Deployment Scenarios
Engineered and tested for severe continuous operational duty across diverse sectors:
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Frequently Asked Questions
Authoritative engineering answers regarding voltage ratings, CPRI testing, custom SLD fabrication, and warranty for Relay and Control Panel (CRP).
What are the technical voltage and breaking ratings for MOBY Relay and Control Panel (CRP)? +
Primary Parameter Ratings: MOBY Relay and Control Panel (CRP) is engineered for rated voltage 6.6 kV to 132 kV Substations and rated normal current Simplex / Duplex / Swing-Frame. It is built to withstand prospective short-circuit breaking currents up to 40 kA for 3 seconds, fully adhering to national and international power engineering guidelines.
Is MOBY Relay and Control Panel (CRP) CPRI tested and certified? +
Certification & Type Testing: Yes, MOBY Relay and Control Panel (CRP) is IS 8623 / IEC 60255 & IEC 61850. All switchgears undergo comprehensive type-testing at the Central Power Research Institute (CPRI) and are routine tested (high-voltage dielectric withstand, contact resistance, and operational timing) at our ISO 9001:2008 certified Kolkata manufacturing facility prior to customer dispatch.
Can this equipment be customized according to our single-line diagram (SLD)? +
Custom Engineering Capabilities: Yes, Moby Electrotech specializes in custom-engineered electrical switchgear systems. Our Kolkata engineering team customizes incoming/outgoing feeder arrangements, CT/PT ratios, numerical protection relays, busbar ratings, enclosure dimensions, and ingress protection (IP42 to IP55) to match your exact site layout and SLD.
What is the standard warranty and quotation timeline for Relay and Control Panel (CRP)? +
Commercial Terms & Warranty: All MOBY equipment carries an engineering equipment warranty of 12 months from commissioning or 18 months from delivery. Technical commercial quotations are typically provided within 24 to 48 hours following single-line diagram (SLD) review.
Request Technical Quote for Relay and Control Panel (CRP)
Our senior electrical engineering team will review your single-line diagram (SLD), system voltage, and breaking requirements to provide a competitive quotation within 24 hours.