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Katolight NL350FRZ4 Generator Set

The Katolight NL350FRZ4 is a 350 kW (437.5 kVA) LPG/NG standby generator set powered by a Cummins/Onan GTA19-G2 engine. It is available at 277/480 V, 3-phase, 60 Hz and rated 526 A. It holds about 54.9 L (14.5 gal) of oil and 126 L (33.3 gal) of coolant, with a maximum ambient rating of 38 °C. Starting uses battery rated 900 CCA at 24 V. The set measures 341×145×202 mm (13.4×5.7×8.0 in), weighs about 3221 kg (7101 lb) and produces 91 dBA at 7 m. The same GTA19-G2 engine also powers generator sets from Cummins/Onan.

350 kW
Standby
19.0 L
Displacement
54.9 L
Oil capacity
1
Document types

Compare with other 350–355 kW Bi-Fuel (NG/LP) generators →

Specifications

FuelLPG/NG
Frequency60.0 Hz
Standby power350 kW
Standby kVA437
Prime power315 kW
ControllerModel #45 control panel
Oil capacity54.9 L
Voltage options277/480 V
Phase3
Rated current526 A
Power factor0.8
Battery cranking900 CCA
Battery voltage24 V
Coolant capacity126 L
Max ambient38 °C
Dimensions (L×W×H)341×145×202 mm
Dry weight3221 kg
Sound level91.0 dBA @ 7 m

Engine

Cummins/Onan GTA19-G2
Oil capacity54.9 L
Coolant capacity30.0 L
Displacement19.0 L
AspirationNatural
Rated speed1800 rpm

Filters for the Cummins/Onan GTA19-G2

1

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Oil filterP551670Lube Filter, Spin-On Full FlowCUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 FridayParts $26.68

Same engine, other brands

1 brand

The Cummins/Onan GTA19-G2 in this set also powers 2 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Cummins/OnanGFEB, GTA19G2

Voltage reconnection

VoltagePhaseConnectionLeadsNotes
120/208312 LEAD LOW WYE12NL350FPZ4
120/240112 LEAD ZIG-ZAG12NL350FGZ4
120/240312 LEAD HI DELTA12NL350FJZ4
277/480312 LEAD HI WYE12NL350FRZ4
347/60034 LEAD WYE4NL350FNZ4

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

How many kW is the Katolight NL350FRZ4?

The Katolight NL350FRZ4 is rated 350 kW standby (437.5 kVA).

Which engine powers the Katolight NL350FRZ4?

The Katolight NL350FRZ4 is powered by the Cummins/Onan GTA19-G2 engine.

What fuel type does the Katolight NL350FRZ4 take?

The Katolight NL350FRZ4 runs on LPG/NG.

What is the oil capacity of the Katolight NL350FRZ4?

The Cummins/Onan GTA19-G2 engine in the Katolight NL350FRZ4 has an oil capacity of 54.9 liters.

What is the coolant capacity of the Katolight NL350FRZ4?

The Katolight NL350FRZ4 cooling system holds 126 liters (33.3 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the prime power rating of the Katolight NL350FRZ4?

The Katolight NL350FRZ4 is rated 315 kW prime (393 kVA), against 350 kW standby.

What is the sound level of the Katolight NL350FRZ4?

The Katolight NL350FRZ4 is rated at 91.0 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the Katolight NL350FRZ4?

The Katolight NL350FRZ4 has a dry weight of 3221 kg (7101 lb).

What voltages is the Katolight NL350FRZ4 available in?

The Katolight NL350FRZ4 is offered in 277/480 V, 3-phase.

What size battery does the Katolight NL350FRZ4 need?

The Katolight NL350FRZ4 uses 24 V each, 900 CCA, per the manufacturer specification sheet.

Available documents

Spec sheet — NL350FRZ4 (Katolight)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.