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ABB YXO126 Specification
| Manufacturer | ABB |
| Part Number | 4890024-UN (YXO126) |
| Function | Armature Overvoltage Monitoring / Analog Input Connection |
| YXO126 ABB Input Voltage Range | 120V – 240V AC |
| YXO126 ABB Output Voltage | 24V DC |
| YXO126 ABB Maximum Current | 5A |
| YXO126 ABB Operating Temperature | -40°C to +85°C |
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ABB YXO126(ABB YXO126) Details
ABB YXO126 Description
The ABB YXO126 (Part Number 4890024-UN) is a specialized industrial Armature Overvoltage Monitor module designed for integration within ABB's automation and drive systems. ABB YXO126( YXO126 ABB)acts as a critical safety and diagnostic interface, continuously tracking voltage levels across the armature of DC motors to prevent electrical damage. ABB YXO126（YXO126 Armature Overvolt Monitor module) is characterized by its high reliability in harsh environments, featuring a robust housing and precise circuitry that allows it to detect and signal overvoltage conditions to the central control system almost instantaneously.
ABB YXO126 Features
ABB YXO126 Precision Voltage Monitoring: YXO126 Armature Overvolt Monitor module Delivers high-accuracy tracking of armature voltage to ensure immediate detection of surges or spikes.
ABB YXO126 Industrial Durability: YXO126 Armature Overvolt Monitor module Engineered to operate reliably across a wide temperature range, typically from -40°C to +85°C.
ABB YXO126 Seamless Integration: YXO126 Armature Overvolt Monitor module Fully compatible with ABB’s legacy and modern Distributed Control Systems (DCS) and PLC architectures.
YXO126 ABB Compact Footprint: YXO126 Armature Overvolt Monitor module The space-saving design (approx. 20.3 x 10.2 cm) allows for easy installation in high-density control cabinets.
YXO126 ABB Fast Response Time: YXO126 Armature Overvolt Monitor module Provides rapid output signaling to trigger protective circuit breakers or system shutdowns before hardware damage occurs.
ABB YXO126 Application
YXO126 ABB DC Drive Protection:Primary use in monitoring DC motor armatures to prevent insulation breakdown caused by overvoltage during deceleration or fault conditions.
YXO126 ABB Metals and Mining:ABB YXO126 Utilized in heavy-duty rolling mills and hoist systems where high-power motor control is critical.
YXO126 ABB Pulp and Paper Industry: Integrated into continuous process lines to maintain electrical stability and reduce unplanned downtime.
YXO126 ABB Power Distribution: Employed in power conversion modules to monitor voltage thresholds in sensitive industrial grids.
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ABB YXO126 Images
YXO126 ABB
YXO126 ABB
YXO126 ABB
YXO126 ABB
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ABB YXO126 FAQ
1. What is the primary function of the YXO126(Armature Overvolt Monitor module） within an industrial system?
The YXO126 is a specialized Armature Overvolt Monitor designed to protect DC motor armatures and related power electronics. By continuously sensing voltage levels, the YXO126 ensures that any surge beyond safe operating limits triggers a protective action to prevent catastrophic insulation failure or hardware damage.
The YXO126 is a specialized Armature Overvolt Monitor designed to protect DC motor armatures and related power electronics. By continuously sensing voltage levels, the YXO126 ensures that any surge beyond safe operating limits triggers a protective action to prevent catastrophic insulation failure or hardware damage.
2. Which manufacturers are associated with the production of the YXO126(Armature Overvolt Monitor module)?
The YXO126(YXO126 ABB) was originally developed and manufactured by ASEA, which later became part of ABB. Consequently, you may find the YXO126 branded under either name, though the technical specifications and the primary part number (4890024-UN) remain consistent across both brands.
The YXO126(YXO126 ABB) was originally developed and manufactured by ASEA, which later became part of ABB. Consequently, you may find the YXO126 branded under either name, though the technical specifications and the primary part number (4890024-UN) remain consistent across both brands.
3. Can the YXO126(YXO126 ABB） be integrated into modern PLC or DCS architectures?
Yes, the YXO126(Armature Overvolt Monitor module) is designed to interface with broader automation systems. While it is an older generation component, the YXO126 provides discrete outputs that can be wired into the digital inputs of a modern Programmable Logic Controller (PLC) or Distributed Control System (DCS) for real-time fault reporting and system interlocking.
Yes, the YXO126(Armature Overvolt Monitor module) is designed to interface with broader automation systems. While it is an older generation component, the YXO126 provides discrete outputs that can be wired into the digital inputs of a modern Programmable Logic Controller (PLC) or Distributed Control System (DCS) for real-time fault reporting and system interlocking.
4. How does the YXO126 differ from the related YXO124(Armature Overvolt Monitor module) module?
While both belong to the same family of monitors, they serve different protective roles: the YXO126(Armature Overvolt Monitor module) specifically monitors overvoltage (potential) conditions in the armature circuit, whereas the YXO124（ABB YXO126） is typically utilized as an overload (current) monitor. For comprehensive motor protection, the YXO126(Armature Overvolt Monitor module) is often installed in tandem with the YXO124.
While both belong to the same family of monitors, they serve different protective roles: the YXO126(Armature Overvolt Monitor module) specifically monitors overvoltage (potential) conditions in the armature circuit, whereas the YXO124（ABB YXO126） is typically utilized as an overload (current) monitor. For comprehensive motor protection, the YXO126(Armature Overvolt Monitor module) is often installed in tandem with the YXO124.
5. What should be done if the YXO126(Armature Overvolt Monitor module) indicates a persistent fault condition?
If the YXO126(Armature Overvolt Monitor module) reports a persistent overvoltage fault, technicians should first verify the actual armature voltage using a calibrated multimeter. If the voltage is within limits, the YXO126(ABB YXO126) unit itself may require recalibration or repair due to component aging; if the voltage is indeed high, the upstream power supply or drive parameters must be investigated.
If the YXO126(Armature Overvolt Monitor module) reports a persistent overvoltage fault, technicians should first verify the actual armature voltage using a calibrated multimeter. If the voltage is within limits, the YXO126(ABB YXO126) unit itself may require recalibration or repair due to component aging; if the voltage is indeed high, the upstream power supply or drive parameters must be investigated.
6. Is the YXO126 still available for purchase as a new component?
As the YXO126(ABB YXO126) is considered a legacy industrial part, it is no longer in active mass production by ABB. However, the YXO126 is widely available through the secondary market as "New Old Stock" (NOS), refurbished, or used units from specialized industrial automation suppliers and surplus vendors.
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