ABB Static Voltage Protection Relays Supplier
United Machinery Corporation is a trusted and reputed ABB Static Protection Relays Supplier, delivering high-quality and reliable protection solutions to industrial and utility sectors across India, Saudi Arabia, and the UAE. With a strong commitment to quality, authenticity, and customer satisfaction, we supply genuine ABB static protection relays that ensure safe, efficient, and uninterrupted power system operations.
Backed by industry expertise and a robust supply network, United Machinery Corporation serves a wide range of locations including West Bengal, Bihar, Odisha, Jharkhand, Maharashtra, Gujarat, Rajasthan, Haryana, Madhya Pradesh, Assam, Tripura, Meghalaya, as well as international markets such as Dubai, Abu Dhabi, Ruwais, Umm Al Quwain, Al Jubail, Jeddah, Riyadh, and Al Khobar. Our extensive reach allows us to cater to diverse project requirements, from small-scale installations to large industrial and infrastructure developments.
ABB static protection relays supplied by us are widely used in power generation, transmission, distribution, oil & gas, cement, steel, manufacturing plants, and substations. Known for their precision, durability, and dependable performance, these relays play a critical role in protecting electrical equipment from faults, overloads, and abnormal operating conditions.
At United Machinery Corporation, we focus not only on supplying products but also on building long-term partnerships by offering competitive pricing, timely delivery, and technical support. Our experienced team assists customers in selecting the right ABB static protection relay solutions based on application, system requirements, and industry standards.
If you are looking for a reliable ABB Static Protection Relays Supplier with domestic and international supply capabilities, United Machinery Corporation is your dependable partner for quality, performance, and professional service.
Product introduction
The ABB VHXm series are compact, static under-/over-voltage relays engineered to reliably detect and respond to undervoltage (loss of voltage) and overvoltage conditions in AC power systems. United Machinery supplies genuine ABB VHXm static protection relays for undervoltage and overvoltage supervision — available in instantaneous (A) and time-delayed (B) variants. Ideal for protection of distribution systems, generators, motors and transformers. We stock and ship across India (including West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad) and export to Saudi Arabia & the UAE. They are widely used to protect distribution networks and critical assets such as generators, motors and transformers by providing fast, repeatable and adjustable voltage supervision.
Key features
- Static (solid-state) design for long life and dependable operation.
- Variable voltage setting (selectable operate thresholds) to match system nominal voltage.
- Optional variable time delay (model dependent) so you can choose instantaneous or delayed tripping.
- Front-panel potentiometers / adjustments for simple onsite set up and tuning.
- Draw-out / flush mounting options and mechanical hand-reset flag on some variants for easy maintenance.
- Robust output relay contacts for direct tripping or signalling to control systems.
Available models
VHXm22A — Under-Voltage Relay (Without Time Delay)
This model provides instantaneous protection against low-voltage conditions. As soon as the supply voltage drops below the preset value, the relay operates immediately to trip or alarm the connected system.
Additional details:
- Ideal for applications where fast isolationis required.
- Helps protect motors from stalling and overheating.
- Reduces the risk of equipment failure during sudden voltage dips.
- Typical adjustable setting range: 40% to 80% of rated voltage (Un).
- Best suited for control panels, motor feeders, and emergency circuits.
VHXm22B — Under-Voltage Relay (With Variable Time Delay)
This version includes an adjustable time-delay feature, allowing users to ignore short, harmless voltage dips while still responding to dangerous undervoltage conditions.
Additional details:
- Built-in time delay adjustment dialfor flexible tripping control.
- Helps prevent nuisance trippingcaused by momentary disturbances.
- Multiple selectable delay ranges such as:
- 1–1 seconds
- 5–5 seconds
- 1–10 seconds
(Exact range depends on the chosen variant.)- Typical adjustable voltage setting: 40% to 80% of Un.
- Ideal for generators, pumps, compressors and sensitive industrial loads.
VHXm23A — Over-Voltage Relay (Without Time Delay)
This relay offers instantaneous protection against dangerous overvoltage conditions that can damage insulation, control circuits and electronic equipment.
Additional details:
- Trips immediately when voltage exceeds the set limit.
- Protects transformers, PLCs and control panel components from insulation stress.
- Minimises the risk of equipment overheating and electrical fires.
- Typical adjustable setting range: 80% to 140% of rated voltage (Un).
- Suitable for power distribution panels and critical electrical feeds.
VHXm23B — Over-Voltage Relay (With Variable Time Delay)
This model combines over-voltage protection with adjustable time delay, allowing users to filter out transient spikes while reacting to sustained overvoltage conditions.
Additional details:
- Adjustable time delay helps avoid tripping due to short-duration voltage spikes.
- Selectable delay ranges typically include:
- 1–1 seconds
- 5–5 seconds
- 1–10 seconds
- Adjustable voltage setting range: 80% to 140% of Un.
- Designed for power systems where voltage fluctuations are common.
- Price (as provided): ₹18,900.
Short comparison table
Model | Protection Type | Time Delay | Voltage Setting Range | Typical Use |
VHXm22A | Under-voltage | No (Instant) | 40–80% Un | Fast tripping for motors & feeders |
VHXm22B | Under-voltage | Yes (Adjustable) | 40–80% Un | Systems with frequent voltage dips |
VHXm23A | Over-voltage | No (Instant) | 80–140% Un | Sensitive equipment protection |
VHXm23B | Over-voltage | Yes (Adjustable) | 80–140% Un | Networks with voltage surges |
Typical technical specification summary
Item | Typical value / range |
Measured quantity | AC line voltage |
Under-voltage setting (VHXm22x) | 40% – 80% of Un. |
Over-voltage setting (VHXm23x) | 80% – 140% of Un. |
Time delay (B versions) | Adjustable ranges (e.g. 0.1–1 s, 0.5–5 s, 1–10 s) depending on part number. |
Auxiliary supply | Common DC/AC auxiliaries available (24/48/110/220 V options — check part code). |
Mounting | Flush / draw-out / panel mount options. |
Best-suited applications
- Distribution board protection and dead-bus monitoring.
- Generator protection and supervision (preventing undervoltage/overvoltage damage).
- Motor protection from sustained under/over voltage conditions.
- Transformer secondary monitoring and switchgear voltage supervision.
How the VHXm relays solve common problems
- Problem — intermittent supply or undervoltage starts damaging equipment:VHXm22x model trips or blocks starts when voltage falls below set threshold, preventing stalled motors and overheating.
- Problem — occasional overvoltage spikes that stress insulation:VHXm23x detects sustained overvoltage and isolates the protected equipment before damage occurs.
- Problem — nuisance tripping from very short transients:The B (time-delay) variants allow you to tune the delay so the relay ignores harmless short blips while still protecting against sustained abnormal voltages.
Top reasons to buy ABB VHXm from United Machinery
- Genuine ABB parts and authorized-grade sourcing— we supply factory-grade ABB VHXm relays and verified spares.
- Regional coverage with on-ground support— stocking and service across West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad — plus export support to Saudi Arabia & UAE.
- Competitive pricing & bulk discounts— transparent pricing (example: VHXm23B ₹18,900 as provided) and favourable commercial terms for repeat buyers. (Final price depends on auxiliary voltage, configuration and taxes.)
- Fast technical help & configuration— we help choose the right model (A vs B), set thresholds and time ranges to match your system.
- After-sales support & spares— relay replacements, retrofits and calibration services to prolong equipment life.
We Supply Across India and International
- West Bengal
- Bihar
- Odisha
- Chhattisgarh
- Jharkhand:Ranchi
- Maharashtra:Mumbai, Pune, Nagpur, Aurangabad
- Rajasthan:Jaipur
- Haryana:Faridabad
- Madhya Pradesh:Bhopal, Indore
- Gujarat:Ahmedabad, Surat, Vadodara
- Assam
- Tripura:Agartala
- Andhra Pradesh:Visakhapatnam
- Meghalaya
- Karnataka:Bengaluru
- Manipur:Imphal
- Tamil Nadu:Chennai, Coimbatore
- Hyderabad
- International Supply:
- Saudi Arabia:Al Jubail, Jeddah, Riyadh, Al Khobar
- UAE:Abu Dhabi, Dubai, Ruwais, Umm Al Quwain
Why choose United Machinery for ABB VHXm relays?
- Domain experience supplying protection and control equipment across heavy industries and utilities.
- Pan-India reach + Gulf exports— local delivery and customs/exim help for Saudi Arabia & UAE shipments.
- Single-stop solutions— we can supply the relay plus auxiliary products (indicators, auxiliary supplies, mounting hardware) and help with panel integration and testing.
Contact Us – United Machinery Corporation
Looking for a trusted ABB Static Protection Relays Supplier? Get in touch with United Machinery Corporation today for genuine ABB products, competitive pricing, and prompt support.
Phone Number – +91 90732 37992
Email Id – onlineumc9@gmail.com
