RUCELF SRFII-9000-L 9 kVA / 7000 W (00001422)
![]() | Outdated Product AVR type: relay; Input voltage: 230V (1 phase); Power (W): 7000; Power (kVA): 9; Input voltage (V): 100-300; Output voltage accuracy (±), %: 3.5; Efficiency (%): 98; Dimensions (mm): 245x205x430; Weight (kg): 17; |
RUCELF SRFII-9000-L 9 kVA / 7000 W accuratehigh efficiency | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog RUCELF 2026 - new arrivals, bestsellers, and the most relevant models RUCELF.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog RUCELF 2026 - new arrivals, bestsellers, and the most relevant models RUCELF.

Relays, Voltage Stabilizers, UPS Systems, and Surge Protectors: What to Choose to Protect Your Devices from Power SurgesUnderstanding the tasks and situations for which power strips, voltage relays, stabilizers, and UPS are suitable.

How to choose a surge protectorWe consider from different angles the issues of protecting household appliances from too high or low voltage
Model overview based on user reviews
The RUCELF SRFII-4000-L is a relay-type AVR with a power capacity of 4 kVA, designed for single-phase input voltage ranging from 100-300 V. It offers high efficiency at 98% and maintains output voltage accuracy within ±3.5%. The device is equipped with a digital voltmeter and provides protection against overheating, short circuits, and voltage fluctuations. It is designed for floor installation with passive cooling and features a carrying handle for ease of transport. While user reviews for similar models like the 12000-L and 6000-L highlight reliable performance and good price-quality ratio, some users noted issues with relay failures and lengthy repair times under warranty. Overall, the RUCELF SRFII-4000-L is appreciated for its simplicity and effective voltage stabilization, making it a suitable choice for protecting household appliances.
Pros
Cons
As for relay stabilizers, the price and quality of the device is not bad. I did not like the warranty workshop in Kyiv. Of course, thyristor, triac is better, but its price is appropriate. I bought a 12000-L early last year. Installed in the village in a private house. The mains voltage, which is too low 200-180 V, sometimes drops to 160 V, the stabilizer works fine, the voltage keeps 220 + - 5V. The House Has 2 Freezers, A Refrigerator, A Pumping Station, A Boiler, A Microwave And Other Household Items. technique. At the maximum inclusion of household appliances, the load shows less than 50% on the screen. After 2 months of operation, one relay failed. Under warranty in Kyiv, they repaired 2.5 months (no spare parts) after calling the hotline of the manufacturer or supplier in Dnepropetrovsk - spare parts appeared. After replacing the relay, it works, there are no questions. At the moment the relay is switched, the brightness of the lighting lamps changes. It does not affect home appliances. use RUCELF SRFII-12000-L month or more |
Bought this stabilizer six months ago! Very satisfied with the purchase, all problems with electrical appliances have disappeared. Simplicity and quality of design, precise operation of the device, price! Not detected use RUCELF SRFII-6000-L month or more i recommend it should buy |
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Additional features avr RUCELF SRFII-9000-L:
- Bypass mode
- Rated input voltages - 140-270 V
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