IMH-70-D-BLS Advance Electronic Metal Halide Ballast - 70W Bottom-Leads Stud-Mount

ADVANCE IMH-70-D-BLS Electronic Metal Halide Ballast, 70W Power Output, Universal 120-277V Input, M139 or M143 or M98 lamp, Bottom Exit Leads and Mounting Studs

Advance e-Vision 70W Electronic Metal Halide Ballast (IMH-70-D-BLS) - Bottom-exit Stud-mount

The Advance e-Vision IMH-70-D-BLS by Signify is a highly efficient 70W electronic metal halide ballast engineered for superior lighting performance. Operating on a universal 120-277V input, this ballast supports ANSI C98/M98, C139/M139, and M143 lamps. The "-BLS" designation indicates that this specific model features a rectangular "D" case with bottom-exit leads and mounting studs, making it the perfect solution for recessed lighting and specialized fixture integration.

Core Specifications & Features

• Supported Lamps: Operates 70W ANSI Code C98/M98, C139/M139, or M143 metal halide lamps.
• Input Voltage: Universal 120-277V, 50/60Hz.
• Enclosure & Mounting: Features bottom-exit leads (12 inches long) and integrated mounting studs for secure, flush installation (-BLS design).
• Extreme Temperatures: Reliable cold-weather performance with a minimum starting temperature of -4°F (-20°C).
• Dimensions & Weight: Measures 5.0" Overall Length × 3.0" Width × 1.5" Height with 2" on center studs.
• Ignition Pulse: 4 kV maximum.
• Max Distance to Lamp: Safely mount up to 3 feet away from the lamp.

Performance Data

Frequently Asked Questions

What is the difference between the -BLS and -LF models?

The "-BLS" model features bottom-exit leads and mounting studs, which is typical for recessed or internal fixture mounting. The "-LF" model features side-exit leads and mounting feet, which is better suited for surface mounting.

What safety features does this ballast have if a lamp fails?

The ballast includes a built-in safety timer that will automatically shut down its output after 20 minutes if the lamp fails to ignite. After you replace the failed lamp, you must cycle the power off and then back on to reset the ballast.

What is the maximum allowable operating temperature?

The maximum allowable case temperature (Tcase max) during operation is 85°C.