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DENYO BRUSHLESS AC GENERATOR — DB-1381K

ReflowX SKU: REF-1742

Product Details

Quantity

1
Availability (Lead Time)

0-2 Weeks
Product Location

United Arab Emirates
Condition

Surplus
OEM

Nissens A/S
Equipment code

gen-d

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Short Description

The Denyo DB-1381K is a high-performance brushless alternator designed for reliable integration with diesel engine-driven generator sets. Manufactured in Japan, this model is engineered for stable voltage output, low total harmonic distortion, and superior efficiency in both standby and continuous operation modes.

Description

ELECTRICAL PERFORMANCE

Rated Power Output: Typically paired with 100–125 kVA gensets (verify with engine rating)

Voltage Range: 400/230V (3-phase, 4-wire system)

Frequency: 50 Hz

Rated Speed: 1500 RPM

Power Factor: 0.8 (lagging)

Excitation System: Self-excited, brushless

Voltage Regulation: ±1.0% (with AVR)

Total Harmonic Distortion (THD): < 3% (on linear loads)

Phase Configuration: 3-phase

Number of Poles: 4-pole

Winding Pitch: 2/3

Efficiency: Approx. 90–93% (varies by loading)

MECHANICAL CHARACTERISTICS

Bearings: Single-sealed ball bearing, maintenance-free

Cooling System: Self-ventilated (open drip proof)

Ingress Protection: IP23

Insulation Class: H

Temperature Rise: Class H (125°C)

Mounting: SAE-compatible foot mounting with standard flange

Coupling: Direct-coupled to engine flywheel

MATERIALS & DESIGN FEATURES

Rotor and Stator: Vacuum-impregnated windings with high thermal-grade varnish

Frame Construction: Rigid steel structure with corrosion-resistant coating

AVR (Automatic Voltage Regulator): Integrated, fully digital or analog depending on year of manufacture

DIMENSIONS & WEIGHT (Approximate)

Length: ~900–1000 mm

Width: ~550 mm

Height: ~650 mm

Dry Weight: ~450–500 kg
(Dimensions may vary slightly based on specific configuration and production year)

For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com

Technical Details

Model Number	DB-1381K
Model Number	DB-1381K
Height	Approximately 1,330 mm
Width	Approximately 900 mm
Length	Approximately 2,000 mm
Weight	Approximately 1,100 kg
Temperature Range	Temperature Rise: Class F (per IEC 60034-1)
Voltage	Standard Output Voltage: 400/230 V (3-phase, 4-wire, 50 Hz) 480/277 V (3-phase, 4-wire, 60 Hz)
ISO 15926 Pt 4	2353
PCA RDS Code	RDS873359
CFIHOS ID	CFIHOS-30000804
Output Power	Standby Power: 100 kVA
Speed	1500 RPM (for 50 Hz) 1800 RPM (for 60 Hz)
IFC Class	IfcElectricGeneratorType

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