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- Variable speed holds fixed DC voltage
- Natural gas or LPG, field-convertible
- Rated 6 kW from -20 to 120 F
- Rodent-resistant steel enclosure
- OnCue Plus remote monitoring
- Two-wire start/stop for inverters
- cUL/UL 2200 listed, EPA compliant
- KOHLER 5-year/2000-hour Premium limited warranty (standby)
Ships by LTL freight. Too large for parcel delivery. Questions on freight? Call (888) 831-0450.
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Product Documents
The KOHLER 6VSG-QS21 is a 6 kW variable-speed DC generator designed to support battery-based power systems. When solar, wind, or other renewable sources cannot keep up with demand, it provides supplemental battery charging to help keep the system operating.
Key features
- Battery-system support: DC output for the battery voltage specified below.
- Variable-speed operation: A VSC controller manages the generator for battery-charging applications.
- Fuel flexibility: Operates on natural gas or LP fuel.
- Outdoor construction: A steel sound shield encloses the air-cooled generator.
- Included equipment: Standard generator configuration; oil makeup and communications kits are not listed for this SKU.
Specifications
| Manufacturer | KOHLER |
|---|---|
| Model | 6VSG |
| Power class | 6 kW |
| Fuel | Natural gas / LP |
| Cooling | Air-cooled |
| Electrical configuration | 6VSG, 48V |
| Line circuit breaker | N/A |
Manufacturer SKU: 6VSG-QS21
Included equipment
6VSG, 48V.
Installation and sizing
Match voltage, phase, fuel supply, and connected loads to the selected configuration. Output depends on fuel and operating conditions. Installation, fuel-system work, and transfer-switch connections require a qualified installer.
| Manufacturer | KOHLER |
|---|---|
| Model Number | 6VSG-QS21 |
| DC Output | 6 kW at 48 VDC nominal (54 VDC output) |
| Rated Current | 112 A |
| Line Circuit Breaker | 125 A |
| Type | 6 kW variable-speed DC battery-charging generator |
| Fuel | Natural gas or LPG (field-convertible) |
| Engine | KOHLER CH740, 725 cc V-2, 2300-2900 rpm |
| Alternator | Brushless 3-phase PMG, rectified DC |
| Controller | VSC with backlit LCD, OnCue Plus |
| Fuel Consumption 100% Load | NG 116 cfh, LPG 42 cfh |
| Fuel Inlet | 1/2 in NPT |
| Sound Level | 59-66 dB(A) at 7 m (avg, no load to full load) |
| Enclosure | 16-gauge powder-coated steel |
| Operating Temperature | -20 to 120 F (-29 to 49 C) |
| Certifications | cUL/UL 2200, EPA compliant |
| Dimensions (L x W x H) | 39.8 x 28.0 x 28.5 in (1010 x 710 x 725 mm) |
| Shipping Weight | 420 lb (191 kg) |
| Warranty | 5-year/2000-hour Premium (standby), 18-month (off-grid) |
Specifications are from the manufacturer and may change. Questions? Call (888) 831-0450.
KOHLER 5-Year / 2000-Hour Premium Limited Warranty
| Coverage | parts, labor and travel for 5 years or 2000 hours, whichever occurs first |
|---|---|
| Use | stationary standby backup to a utility source in the US; mobile or non-standby use voids the warranty |
| Non-standby (off-grid) | 18-month limited warranty per spec sheet |
| Registration | startup by a KOHLER distributor/dealer registered via Kohler Power Assistant, else term runs from purchase date |
| Optional | 7-year and 10-year extended limited warranties available |
| How to claim | call 1-800-544-2444 or email Resi-warranty@kohler.com |
Manufacturer warranties are provided by the manufacturer. Keep your invoice as proof of purchase. Questions about a warranty claim? Call (888) 831-0450.