Description
Two Cut-Offs, and It Goes on the Wall.
4 KVA · 170–270 V · Wall Mount · BA 417 WM.
Bluebird's wall-mounted 1.5-ton stabilizer, and the most affordable protection you can put in front of an AC · overload protection cutting the output if the connected load draws more than it should · thermal protection shutting it down if the unit itself runs too hot — two independent safeguards, and more than most units at this price carry · a wall-mount design that keeps it off the floor, out of reach of children and water, and in free air where it can shed heat · a 4 KVA rating sized for the starting surge of a 1.5-ton compressor · a 170 V to 270 V input range covering normal urban fluctuation · made in India by a manufacturer with over 30 years in voltage stabilisation · 2-year warranty
Two
cut-offsoverload and thermal
Most stabilizers at this price regulate voltage and stop there. This one has two independent protections behind that. Overload protection cuts the output if the connected load draws more current than the unit is rated for — which is what saves it when someone plugs in a second appliance, or when a failing compressor starts pulling excessive current. Thermal protection is the other half: if the stabilizer itself runs too hot, it shuts down rather than continuing until something is damaged. That matters most in exactly the conditions where a stabilizer earns its keep — a long, hot afternoon with the AC running continuously.
Wall-mounted — three practical reasons it's the better format
A floor-standing stabilizer sits where it can be knocked, splashed or covered. Mounting it on the wall solves all three. It's out of reach of children and pets; it's above the floor, which matters if a room ever takes water; and — the one people miss — it sits in free air. A stabilizer generates heat under load, and heat is what ages the transformer inside. On the floor behind a curtain or wedged beside a cupboard, it runs hot. On a wall with clear space around it, it runs cooler and lasts longer. It also frees the floor space entirely, which is worth something in a Delhi flat.
Check the range against your area — and the sizing against your AC
Two things to confirm before ordering, and both take a minute. First, the range: this unit works from 170 V to 270 V, which covers normal urban fluctuation well. If your colony regularly drops below 170 V — some areas genuinely do on summer evenings — you need the wider 140–280 V model instead, and we'd rather tell you that now. Second, the load: 4 KVA suits one AC up to 1.5 ton, and one only. A 2-ton machine needs more. Also worth knowing that many recent inverter ACs are specified as needing no external stabilizer at all. Send us your AC model and your area and we'll confirm.
🛡️ Protection features
Overload Protection
Cuts output on excess current draw
Thermal Protection
Shuts down if the unit overheats
🎯 Right for
Not suitable for 2-ton ACs, more than one appliance, or areas where supply drops below 170 V — for those, ask about the 140–280 V model.
⚙️ At a glance
Bluebird build stabilizers and transformers specifically — over three decades of it — rather than treating voltage regulation as a sideline.
An AC compressor replacement costs many times this, and repeated low-voltage starting is one of the things that kills them.
4 KVA gives headroom for the current spike when a 1.5-ton compressor kicks in — the moment that most stresses the supply.
Wall mounting and electrical connection need a qualified electrician, proper anchors, earthing and a correctly rated MCB.
Send us your AC model and your area's voltage behaviour and we'll confirm this is the right unit.
| Brand / Model | Bluebird BA 417 WM ✅ |
| Type | Automatic voltage stabilizer for air conditioner ✅ |
| Power Rating | 4 KVA ✅ |
| Input Voltage Range | 170–270 V ✅ |
| Output | Stabilised to AC operating levels ✅ |
| Suitable For | One air conditioner up to 1.5 ton ✅ |
| Mounting | Wall mount ✅ |
| Protection | Overload protection · thermal cut-off ✅ |
| Installation | By a qualified electrician, with proper anchors, earthing and MCB ✅ |
| Country of Origin | Made in India 🇮🇳 ✅ |
| Warranty | 2 Years manufacturer warranty ✅ |
Why buy from Mahajan Electronics?
- 📐 We check sizing and voltage range for your area
- 100% genuine Bluebird with warranty support
- 24-hour delivery across Delhi NCR
- GST invoice — save up to 18% on business purchases
- 45+ years of trust · rated 4.7 on Google
- Raja Garden · Jail Road · Dabri Mor
Order today. Delivered in 24 hours.
Bluebird BA 417 WM · 4 KVA Wall-Mount Voltage Stabilizer · 170–270 V Input · Overload & Thermal Protection · For One Air Conditioner up to 1.5 Ton · 2-Year Warranty
Warranty as per Bluebird's terms and conditions — 2 years manufacturer warranty, subject to T&C; coverage of the transformer winding, relay and control components, regulation circuit, protection circuitry, cabinet, cables and accessories, parts and labour, exclusions and the service process are subject to brand policy and the final invoice or warranty documentation. Regulation performance, supported input range, protection behaviour, electrical loss, heating and noise depend on incoming voltage, load current, compressor starting current, AC type and model, wiring condition, earthing, socket and MCB rating, ambient temperature, ventilation, mounting and installation quality, and maintenance. The 4 KVA rating and suitability for one AC up to 1.5 ton are general compatibility guidance: verify the connected AC's rated current, maximum input, starting load and the AC manufacturer's own stabilizer recommendation before purchase and installation. Do not connect multiple appliances or an incompatible load. Overload and thermal protection reduce risk but do not guarantee protection in every fault condition. A voltage stabilizer manages fluctuation within its specified range and cannot protect against every surge, lightning strike, short circuit, wiring fault, neutral failure or voltage outside that range. Installation, wall fixing and electrical connection must be carried out by a qualified electrician using anchors rated for the unit's weight, proper earthing, wiring, MCB protection and ventilation clearance. Do not cover the unit or install it near water, heat, direct sunlight or flammable materials. Image for reference only; actual serial number, manufacturing date, cabinet design, colour, indicator layout, cable, mounting hardware and accessories may vary by batch.
Please Note: The image shown is for reference purposes only. Actual product details, including the serial number and manufacturing date, may vary.
