Voltage Protectors

Voltage Protector Price in Pakistan 2026 — Buyer's Guide

Power fluctuations, neutral breaks, and load-shedding surges destroy appliances worth Rs. 3,000 to Rs. 300,000 every year in Pakistani homes and businesses. A CNC voltage protector sits on your DIN rail inside the DB box and disconnects the load the moment voltage crosses safe limits — typically above 275 V or below 170 V — then reconnects automatically once voltage stabilises. No manual reset, no electrician call-out, no damage.

All CNC voltage protection devices include auto-restart (self-recovery after power returns), adjustable voltage thresholds, power-on delay (3-minute compressor protection for fridges and ACs), and neutral-break protection (440 V spike cut-off). Every unit ships with a 5-year CNC warranty, IEC 61643 compliance context, and free delivery across Pakistan.

CNC Voltage Protector Price Table — Pakistan 2026

Free delivery across Pakistan. 5-year warranty on all CNC voltage protectors. Bulk and dealer pricing available — WhatsApp +92 326 1111376.

Voltage Protector vs Stabilizer — Which One Does Your Home Need?

The most common question we get. The short answer: a voltage protector disconnects on danger; a stabilizer corrects voltage continuously. For most Pakistani homes with normal WAPDA supply, the protector is the better value because it costs less, runs cooler, and has zero running cost.

For a deeper comparison with installation diagrams and cost-payback tables, read our pillar: Voltage Protector vs Stabilizer 2026 — Which One Does Your Home Actually Need.

How a Voltage Protector Works

A voltage protector continuously samples the live-to-neutral voltage at the DB box input. When voltage exceeds the upper cut-off (default 275 V), undercuts the lower cut-off (default 170 V), or detects a neutral break (single-phase appliances seeing 380-440 V), the internal relay opens and disconnects the output side from the input side. The downstream circuit sees a clean open — exactly the same as turning off the main breaker. When voltage returns to the safe range and the delay timer expires, the relay re-closes and power is restored automatically.

The 3-minute power-on delay matters for any load with a motor: refrigerators, freezers, ACs, water pumps, and inverter compressors all need a settling time before re-energising to prevent compressor lock and starter burn-out. Without this delay, repeated load-shedding cycles can shorten compressor life by 40-60%.

How to Set a Voltage Protector — Cut-Off Levels for Pakistan

Most users keep the factory defaults, but the YC7VA, YC9VA, and YC6VAS series all let you adjust the upper cut-off, lower cut-off, and reconnection delay using the front-panel buttons. Here is the recommended setting matrix for typical Pakistani supply conditions:

Setting procedure (YC7VA series): Press SET once to enter setting mode; the upper-voltage value flashes. Use UP/DOWN buttons to adjust in 1 V increments. Press SET again to advance to the lower-voltage value. Press SET a third time to advance to the delay value. Press SET a final time to save and exit. The device returns to normal monitoring mode after 10 seconds of inactivity. No PDF manual lookup required — values persist after power loss.

YC7VA vs YC9VA vs YC6VAS — Choosing the Right Series

YC7VA (Rs. 1,750 – 5,200): Standard 170-275 V range, best for normal Pakistani supply. Single-phase and 3-phase variants. The 10-in-1 WiFi version adds energy monitoring, leakage detection, and Tuya app control — useful for remote shops or rental properties.

YC9VA (Rs. 4,500 – 9,700): Wide-range 120-300 V dual-relay design. Choose this if your area sees voltage swings outside 170-275 V, or if you want the extra safety margin of a dual-relay design that physically isolates both legs. Standard in commercial 3-phase installations.

YC6VAS / YC6VAZS (Rs. 6,950 – 9,300): Three-phase variants with automatic phase-switching. The YC6VAZS detects which of the three phases has good voltage and automatically routes the single-phase output to that phase. Critical for factories where any one phase failure must not stop production.

Where to Install Your Voltage Protector

Single-phase home: Mount the YC7VA 63 A on the DIN rail of your main DB box, immediately after the main MCB. All downstream circuits inherit the protection. For dedicated AC/fridge protection, install a 40 A unit on the AC sub-circuit only.

Three-phase commercial: Install the YC6VAS 4-pole at the panel main. For motor-heavy loads (factory, water-pump station), pair with an ATS to switch to generator on phase failure.

Solar grid-tie input: Install on the grid (input) side of your hybrid inverter. Prevents inverter damage from upstream WAPDA spikes during net-metering operation. See our Net Metering Pakistan 2026 guide for the full solar protection bundle.

UPS / Backup systems: Mount on the WAPDA input side, before the UPS. The protector handles surge cut-off; the UPS handles brief outages and clean output.

Top Picks by Use Case

Best for Home (AC + Fridge): YC7VA 63 A. Rs. 2,200 with 5-year warranty. Covers one full home circuit. View product →

Best Value (KWh Monitoring): YC7VA KWH 63 A. Rs. 2,450 — adds an energy meter for Rs. 250 extra. View product →

Best Smart Choice: YC7VA WiFi 10-in-1. Rs. 5,200 — WiFi + energy + leakage + current monitoring. Tuya-compatible. View product →

Best Wide-Range (Voltage Swings Beyond 170-275): YC9VA 63 A. Rs. 4,500 — 120-300 V protection envelope. View product →

Best for Factory / 3-Phase: YC6VAS 4-Pole 100 A. Rs. 7,800 — full 3-phase coverage with phase-imbalance detection. View product →

Best for Mission-Critical (Auto Phase-Switch): YC6VAZS. Rs. 9,300 — auto-switches single-phase output between three phases. View product →

CNC vs Clopal vs Mora vs Tomzn — Voltage Protector Brand Comparison

The CNC line is the only one in Pakistan offering both a 5-year warranty and a Tuya WiFi option below Rs. 6,000. Clopal, Mora, and Opal are cheaper but ship with 1-year warranty and lack wide-range and WiFi variants.

Installation — DB Box Wiring (Single Phase)

1. Turn off the main MCB on the DB box.
2. Mount the voltage protector on the DIN rail, downstream of the main MCB and upstream of any RCCB or sub-circuits.
3. Connect the L (live) input terminal to the load side of the main MCB. Connect the N (neutral) input terminal to the neutral bar.
4. Connect the L OUT terminal to the live bus that feeds your sub-circuits. Wire neutral straight through the protector via the N pass-through terminal.
5. Power on the main MCB. The voltage protector display lights up and shows current voltage. After the 180 s delay (factory default), the relay clicks and the LOAD indicator illuminates.
6. Test by deliberately raising voltage above 275 V using a variac — the relay should disconnect. The display will show oP (over-voltage). Confirm reconnection after voltage returns to safe range.

For 3-phase installations, the YC6VAS 4-pole follows the same pattern with three live terminals (L1, L2, L3) plus a single neutral pass-through.

Bulk & Dealer Pricing

CNC voltage protectors are stocked locally in Lahore with same-day dispatch to Karachi, Islamabad, Faisalabad, Multan, Peshawar, and Quetta. Bulk pricing (10+ units) and contractor / electrician dealer rates available — WhatsApp +92 326 1111376 with your project requirement and quantity. Solar installer bundles (protector + SPD + DC breaker + DB box) priced separately.

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