CWA Ballast HPS 400W 120/208/240/277V UL listed_HID Lighting_Products_Ningbo Oyate Lighting Electrical Appliance Co.,Lt

CWA Ballast HPS 400W 120/208/240/277V UL listed

Contact Information

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Item	Parameter	Specification
Basic Information	Model	FHJ-CWA-HPS400A/MT
	Lamp Type	400W S51 High Pressure Sodium (CWA Type)
	Input Voltage	120/208/240/277V
	Frequency	60Hz
Regulation	Line Voltage	±10%
	Lamp Wattage	±10%
Electrical Performance	Input Watts	470W
	Nominal Open Circuit Voltage	300V
Line Current (Amps)	Operating	3.76 / 2.18 / 1.89 / 1.60
	Open Circuit	1.00 / 0.60 / 0.55 / 0.50
	Starting	2.10-3.70A (120V) / 0.90-2.30A (208V) / 0.70-1.90A (240V) / 0.50-1.70A (277V)
Temperature Ratings	Insulation Class	Class H (180°C)
	Temperature Code	B
	Min. Starting Temperature	-20°F (-28°C)
Capacitor	Microfarads	55µF
	Voltage (min)	300V
	Rated Temperature	105°C
Secondary Circuit	Open Circuit Voltage	170-220V
	Shorted Current	3.10-4.70A
Core & Coil	Coil Material (Pri./Sec.)	AL/AL
Accessories	Ignitor	FHJ-HPS200W-400W
Remark		Performance specifications are subject to change without notification.

Description

Product Overview

The FHJ-CWA-HPS400A/MT is a professional-grade 400W S51 CWA (Constant Wattage Autotransformer) ballast specifically designed for high-pressure sodium (HPS) lamps. This all-in-one unit comes complete with a dedicated ignitor (FHJ-HPS200W-400W) and a 55µF 300V high-temperature capacitor, ensuring seamless integration and reliable operation for 400W S51 sodium lamps. Supporting a wide voltage range of 120/208/240/277V 60Hz, it is ideal for both new installations and replacements in commercial, industrial, and outdoor lighting systems.

Key Features

Complete Ballast Kit: Includes integrated ignitor and 55µF 300V capacitor, ready for direct installation.
Wide Voltage Compatibility: Supports 120/208/240/277V 60Hz, suitable for various North American electrical standards.
High Reliability: CWA design maintains stable lamp power output despite voltage fluctuations, extending lamp life.
Superior Heat Resistance: Class H (180°C) insulation rating and 105°C capacitor ensure durable performance in harsh environments.
Robust Construction: Aluminum coil construction for efficient heat dissipation and long-term durability.
Easy Installation: Pre-wired configuration with clear terminal markings simplifies setup and maintenance.

Applications

400W High Pressure Sodium Street Lights
Highway and Roadway Lighting Systems
Industrial High Bay & Low Bay Lighting
Outdoor Commercial Flood Lights
Warehouse, Gymnasium, and Large Area Lighting

Why Choose This Ballast?

Plug-and-Play Solution: Comes fully assembled with all necessary components, reducing installation time and costs.
Stable Performance: Maintains precise wattage delivery to the lamp, ensuring consistent brightness and longevity.
Safety Certified: Built to strict quality and safety standards, providing reliable protection against overvoltage and overheating.
Cost-Effective Replacement: Direct replacement for existing 400W S51 HPS ballasts, minimizing downtime.