- MVAJ101RA0802A Industrial Single Board
Description
The MVAJ101RA0802A is a high-performance trip/auxiliary relay module manufactured by GE Vernova / formerly Alstom Grid (or its predecessor brands). It belongs to the MVAJ series of
hinged-armature tripping relays designed for industrial protection and control applications. Despite some listings referring to it as a “single board”
or “industrial single board,” the core functionality is as a trip relay rather than a general-purpose single-board computer. For example, one
isting labels it as “Industrial Single Board Computers … Protection Relay” although this appears to be a mis-categorisation.
Feature And Application of MVAJ101RA0802A
| Feature |
Application |
|
From the available documentation for the MVAJ 05/10/20 series (which includes the “101” variant) and general references for this model, the following are the notable features:
-
High-speed operation with very little contact bounce, suited to circuit breaker trip coil operation.
-
Hinged armature design which enhances reliability and mechanical robustness.
-
Versatile configuration: available in hand-reset, electrical-reset and self-reset forms; the “101” variant is a self-reset type.
-
Dual burden configuration (low-burden and high-burden) selectable via external link: the high-burden option allows for e.g. 100 W burden for 40-60 ms before cut off to economised level.
|
Typical applications for the MVAJ101RA0802A (and the MVAJ series) include:
-
Direct operation of circuit-breaker trip coils in power distribution and transmission systems: the relay acts as the interface between protective relays and breaker trip mechanisms.
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Industrial electrical protection systems where high speed and high reliability are required (e.g., substations, utilities, large industrial plants).
-
Control and signalling in tripping schemes: due to its self-reset or resetable features it can be integrated into automatic protection circuits and schemes.
|
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Company Profile
MOORE specializes in sourcing and selling discontinued products. If you need assistance, we can
also help you find and purchase used items. Our team of experienced experts offers automation
solutions and technical support across various fields, including PLC, DCS, vibration monitoring
systems, steam turbine control systems, and gas generators. We guarantee factory-original products,
high quality, competitive pricing, and a large inventory.
As one of the largest distributors of automation control system modules and spare parts in China,
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