MPS-400A-P-KIT | Keystone 400W Pulse Start Metal Halide Ballast Kit 5-Tap CWA

Keystone · Industrial Automation & Electrical

Description  The Keystone MPS-400A-P-KIT is a 400W pulse start metal halide ballast kit designed for reliable operation of ANSI M135 and M155 lamps. With a 5-tap voltage input (120/208/240/277/480V) and a CWA circuit type, it ensures stable lamp performance in demanding environments. This complete kit includes the ballast, capacitor, ignitor, and mounting hardware for straightforward installation in commercial and industrial lighting applications.     Technical Specifications  Condition New/Never Used Surplus Brand Keystone Technologies Category Power Supplies Part Number MPS-400A-P-KIT Subcategory Ballast Kits Lamp Type 400W Pulse Start Metal Halide (ANSI M135/M155) Input Voltage 5-Tap (120/208/240/277/480V) Circuit Type Constant Wattage Autotransformer (CWA) Power Factor High Capacitor Rating 26µF, 330V, 90°C Operating Frequency 60 Hz Insulation Class 180°C Minimum Start Temp. -30°C (-22°F) Winding Material Copper/Aluminum Fuse Recommendation 10A (120V), 7A (208V), 5A (240V/277V), 3A (480V) Mounting Dimensions 3.88” / 4.38” Listings & Approvals UL Recognized (RU, cRU), RoHS Compliant Weight 11.35 lbs       Information About MPS-400A-P-KIT The MPS-400A-P-KIT is part of Keystone’s line of pulse start metal halide ballast kits built for durability and efficiency. It uses a constant wattage autotransformer (CWA) circuit for consistent lamp output across varying line conditions. Designed with copper/aluminum windings and high-temperature insulation, the ballast supports long-term performance under heavy-duty operation. Suitable for high-intensity lighting in parking lots, warehouses, and roadway applications, it offers flexibility through its universal 5-tap voltage design and pre-wired capacitor and ignitor. Key Features: Lamp Compatibility: Operates 400W pulse start metal halide lamps (ANSI M135/M155). 5-Tap Input Voltage: Supports 120/208/240/277/480V applications for maximum flexibility. CWA Circuit Type: Provides stable and efficient lamp operation across varying loads. High Power Factor: Ensures efficient energy use and reduced line losses. Pre-Wired Components: Includes capacitor and ignitor for simplified installation. Durable Design: Copper/aluminum windings with 180°C insulation class extend ballast life. Safety Compliance: UL Recognized for reliable performance in critical applications. Complete Kit: Includes mounting brackets, hardware, and installation guide. The MPS-400A-P-KIT delivers the reliability and precision required for heavy-duty commercial and industrial lighting systems.

Brand: Keystone · Category: Industrial Automation & Electrical

Key features

• Lamp Compatibility: Operates 400W pulse start metal halide lamps (ANSI M135/M155).
• 5-Tap Input Voltage: Supports 120/208/240/277/480V applications for maximum flexibility.
• CWA Circuit Type: Provides stable and efficient lamp operation across varying loads.
• High Power Factor: Ensures efficient energy use and reduced line losses.
• Pre-Wired Components: Includes capacitor and ignitor for simplified installation.
• Durable Design: Copper/aluminum windings with 180°C insulation class extend ballast life.
• Safety Compliance: UL Recognized for reliable performance in critical applications.
• Complete Kit: Includes mounting brackets, hardware, and installation guide.

Specifications

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