---
product_id: 14735854
title: "Samlex SK3000-148 Pure Sine Wave DC-AC Power Inverter, 3000W Continuous output power, 6000W Surge output power, 50/60Hz switch selectable output frequency, Input and Output fully isolation design"
brand: "cotek"
price: "₨89621"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/14735854-samlex-sk3000-148-pure-sine-wave-dc-ac-power-inverter
store_origin: LK
region: Sri Lanka
---

# Samlex SK3000-148 Pure Sine Wave DC-AC Power Inverter, 3000W Continuous output power, 6000W Surge output power, 50/60Hz switch selectable output frequency, Input and Output fully isolation design

**Brand:** cotek
**Price:** ₨89621
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Samlex SK3000-148 Pure Sine Wave DC-AC Power Inverter, 3000W Continuous output power, 6000W Surge output power, 50/60Hz switch selectable output frequency, Input and Output fully isolation design by cotek
- **How much does it cost?** ₨89621 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/14735854-samlex-sk3000-148-pure-sine-wave-dc-ac-power-inverter)

## Best For

- cotek enthusiasts

## Why This Product

- Trusted cotek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

This high efficiency microprocessor controlled DC-AC inverter converts 48 Volts DC (Nominal) to 3000 watts of pure sine-wave AC power at 100/110/120 Volts, 50/60 Hz. The unit comes with input battery cable lugs and dual NEMA 5-20R GFCI receptacles. Features include overload, short circuit, over-temperature, under & over voltage protections, low power saving mode to conserve energy. The unit is e-13/ CE / FCC approved and the safety standards of the unit conform to UL-458 specifications. Part Number: COTEK SK3000-148 Features: True sine wave output (THD <3%) Power ON-OFF remote control Input & output fully isolation Load control cooling fan Advanced microprocessor Output frequency 50/60 Hz switch selectable Low power saving mode to conserve energy Input polarity reverse / under voltage / over voltage protections Output short circuit / overload / over temperature protections Tri-color indicators display input, output level & failure status e-13 / CE / FCC approved 2 Year Warranty Specifications: AC Voltage: 100 / 110 / 120VAC Continuous Power: 3000W Surge Power: 6000W Waveform: True sine wave (THD <3%) Frequency: 50 / 60 Hz selectable by DIP switch AC Regulation: +/- 3% Standard Receptacles: 2 x North American GFCI (not shown) LED Indicator: Input voltage level, output load level and fault status No Load Current Draw: .80A Stand By Current Draw: 0.19A DC Voltage: 48VDC Voltage Range: 42~60VDC Efficiency: 92% Fuse: 20A x 6 Cooling: Loading controlled cooling fan Remote Control: CR6 / CR8 optional Battery Low Shutdown: 42VDC Over Load: Shut off output voltage, re-power on to recover Over Voltage: 61.2VDC Over Temp: Shut off output voltage, auto resets Output Short: Shut off output voltage, re-power on to recover Battery Polarity Reverse: By Fuse Open Safety Standards: Meet UL458 Isolation Resistance: I/P ~ O/P: 100M Ohms / 500VDC EMI Conduction & Radiation: Compliance to FCC class A Dimensions(L x W x H): 17.8 x 8.2 x 6.5 in Weight: 22 lbs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 17.8 x 8.19 x 6.54 inches |
| Item Weight | 23 pounds |
| Manufacturer | COTEK |
| ASIN | B00EWCINEW |
| Item model number | SK3000-148 |
| Is Discontinued By Manufacturer | No |
| Date First Available | October 4, 2011 |

## Product Details

- **Brand:** COTEK
- **Power Source:** Battery Powered
- **Input Voltage:** 48 Volts
- **Output Power:** 3000 Watts
- **Item Weight:** 23 Pounds

## Images

![Samlex SK3000-148 Pure Sine Wave DC-AC Power Inverter, 3000W Continuous output power, 6000W Surge output power, 50/60Hz switch selectable output frequency, Input and Output fully isolation design - Image 1](https://m.media-amazon.com/images/I/711JM60j6iL.jpg)
![Samlex SK3000-148 Pure Sine Wave DC-AC Power Inverter, 3000W Continuous output power, 6000W Surge output power, 50/60Hz switch selectable output frequency, Input and Output fully isolation design - Image 2](https://m.media-amazon.com/images/I/7159cOep-RL.jpg)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-14*