ALSTOM MVAJ105RA0802A Protection Relay – MiCOM Series
Alstom MVAJ105RA0802A is listed for MiCOM Series RFQ review. Confirm quantity, condition and destination before quotation.
Model: CID-115V
Product Overview
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Commercial Path
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Technical Dossier
The CONTROL PRO CID Series represents a dedicated line of condition monitoring units engineered for continuous-duty deployment in heavy industrial environments. These modules are installed across chemical processing plants, petroleum refineries, nuclear power generation facilities, and offshore platforms where uninterrupted process integrity is non-negotiable. The CID Series occupies a critical position in distributed control system (DCS) architectures, providing real-time vibration, temperature, and process variable monitoring at the field level. Its ruggedized design meets the electrical isolation and EMI immunity requirements demanded by Class I hazardous area classifications. The series interfaces with both legacy 4–20 mA analog loops and modern HART-enabled field devices, making it a long-term fixture in brownfield plant maintenance programs globally.
The CID Series was introduced as a modular condition monitoring platform designed to replace discrete relay-based vibration trip systems. Early variants operated exclusively on 115V AC supply rails and provided single-channel vibration amplitude monitoring with fixed trip setpoints. As plant automation standards evolved through the 1990s and 2000s, the series expanded to include dual-channel configurations, programmable trip thresholds, and digital communication outputs compatible with MODBUS RTU and HART protocols.
The transition from analog-only to hybrid analog/digital architectures introduced firmware-configurable alarm logic, enabling integration with SCADA and DCS platforms without requiring dedicated signal conditioning hardware. Later revisions incorporated self-diagnostics and relay output redundancy to satisfy IEC 61511 functional safety requirements at SIL 1 and SIL 2 levels. Compatibility across generations is maintained through standardized DIN-rail mounting footprints and consistent terminal block pinouts, allowing direct module substitution during planned maintenance outages without panel rewiring.
The following SKUs represent the verified CONTROL PRO CID Series module range, classified by functional category. Each entry reflects a distinct hardware configuration with defined I/O characteristics and supply voltage requirements.
Condition Monitoring — Vibration & Machinery Protection
Temperature Monitoring Modules
Process Variable & Analog I/O Modules
Digital I/O Modules
Communication & Gateway Modules
CID Series modules incorporate proprietary backplane communication buses and multi-layer analog signal conditioning circuits that require specialized test procedures beyond standard continuity and power-on verification. DriveKNMS applies the following quality control protocol to all CID Series units prior to shipment:
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