Product Overview
The GE UltraMax® 94135 (GEMH70-MSLF-120) Ballast is a commercial-grade, high-performance electronic high-intensity discharge (e-HID) control module engineered explicitly for 70-watt metal halide lamps. Operating with an advanced 275Hz low-frequency square wave, this premium ballast eliminates acoustic resonance and arc instability inside high-end ceramic and quartz metal halide systems. Outfitted with an integrated ignitor, auto-reset end-of-lamp-life (EOL) protection, and a thermal safety shutdown sensor, this highly efficient 1.0 ballast factor device delivers whisper-quiet Class A operation across demanding retail showcases, modern offices, and architectural recessed track downlights.
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Lamp Power
70W
HID Metal Halide
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Input Voltage
120V
Dedicated Line Only
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Output Wave
275Hz
Low-Freq. Square
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System Power
77W
90% Efficiency
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Ballast Factor
1.00
Full Light Output
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ADL Supply Expert Application & Replacement Guide
The GE UltraMax 94135 electronic HID control block is a premier building facility standard specified heavily by commercial electrical contractors, retail display planners, and museum property maintenance managers. Engineered to strike and regulate high-performance 70-watt metal halide capsules, this module provides the absolute lighting stability required to maintain accurate color rendering indexes over extended runtime cycles, completely removing the rapid color shifting and early arc failure loops common in old electromagnetic ballast systems.
Critical 120V Line Restriction and 275Hz Square Wave Arc Mechanics: Maintenance crews and installation teams must verify line voltage parameters prior to finalizing their cart checkout: this model operates strictly on dedicated 120V AC input lines. Unlike universal multi-volt or multi-tap controls, wiring this device into a 208V, 240V, or 277V industrial power circuit will bypass internal safety gates and trigger an immediate terminal component burnout.
The advanced 275Hz low-frequency square wave output architecture delivers a vital field advantage: it suppresses acoustic resonance loops inside the pressurized arc tube burner capsule. Standard high-frequency electronic ballasts can cause high-intensity arc columns to warp, shimmy, or hum, prompting envelope devitrification or premature shattering. By delivering a stabilized slow-cycle wave, the 94135 extends lamp life, ensures flawless color uniformity, and suppresses system resonance, making it ideal for low-profile architectural fixtures where visual texture accuracy is non-negotiable.
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Verify Before Ordering
Dedicated 120V Circuit Requirement — Integrated Ignitor — Enclosed Lamping Limits
Please confirm your supply circuit is exactly 120V prior to hard-wiring lead junctions. This solid-state module incorporates an integrated internal ignitor circuit, completely removing the requirement to mount a separate structural external firing pod. It is strictly compatible with standard 70-watt metal halide ANSI codes detailed below; it cannot strike High-Pressure Sodium (HPS) or low-wattage lighting systems.
Solid-State Compliance Notice: This electronic ballast control module contains 0.0 mg of mercury and is safe to ship to all 50 states without transit bans. Standard commercial electronic waste (e-waste) handling guidelines apply at end-of-life cycles. |
Detailed Product Specifications
- Brand: GE Lighting (Current Lighting Solutions / UltraMax® HID Electronic Line)
- Product Series Line: UltraMax® Low-Frequency Electronic HID Series
- GE Factory Product Order Code SKU: 94135
- Manufacturer Description Model: GEMH70-MSLF-120
- UPC Barcode Number (GTIN-12): 043168941358
- Core Technology Class: Solid-State Electronic High-Intensity Discharge (e-HID) Control
- Nominal Operational Input Voltage: 120 Volts AC Dedicated Line Power
- Continuous Input Voltage Safety Buffer Range: 108 Volts Minimum to 132 Volts Maximum Continuous Line
- Line Current Operating Frequency: 50 / 60 Hz
- Ballast Output Operating Frequency: 275 Hz (Stabilized Low-Frequency Square Wave modulation)
- System Operating Wattage: 77 Watts Total Draw under full lamp load
- Nominal Input Line Current: 0.64 Amperes continuous draw at 120V
- Systemic Ballast Factor (BF): 1.00 (Guarantees full manufacturer rated lumen extraction)
- Total Harmonic Distortion (THD) Limit: Less than 10% (Commercial Grade Isolation Matrix)
- Power Factor Level Correction: Highly Corrected Active Network (Greater than 0.95)
- Ballast System Efficacy Conversion Ratio: 90% Efficiency Rating
- Lamp Current Crest Factor (CCF): Less than 1.5
- Internal Fuse Protection Rating: 2.5 Amperes
- Audible Component Sound Rating: Class A (Whisper Quiet Operations under 24dB threshold)
- Minimum Operating Environmental Temperature: 5°F (-15°C Ambient Starting Threshold)
- Maximum Allowable Case Temperature (Tc): 90°C (194°F Advanced Enclosure Thermal Shutdown Barrier)
- Maximum Host Ambient Temperature Limit: 50°C (122°F)
Certified System Lamp Compatibility Matrix
This single-lamp controller is precisely tuned and certified to strike and regulate the following high-intensity lamp profiles. Always cross-examine the ANSI designation etched directly on the lamp burner face prior to applying power:
- ANSI M98 / C98: Standard 70-Watt Quartz and Ceramic Metal Halide lamps
- ANSI M139 / C139: Standard 70-Watt Ceramic Metal Halide lamps (Alternate electronic configuration match)
Factory-Installed Wire Lead Configurations
| Wire Color Insulation | Quantity | Lead Length Range | Primary Electrical Function |
|---|---|---|---|
| Black | 1 | 10.0" Inches (254mm) | Line Input Conductor Voltage (Hot) |
| White | 1 | 10.0" Inches (254mm) | Line Input Return Conductor (Neutral) |
| Green | 1 | 10.0" Inches (254mm) | Chassis System Safety Ground Line |
| Red | 1 | 10.0" Inches (254mm) | Primary Lamp Socket Termination Leg |
| Brown | 1 | 10.0" Inches (254mm) | Secondary Lamp Socket Termination Leg |
Operation, Safety & Mounting Compliance
Remote Mounting Constraints and Wire Insulation Gauges
For specialized retail window configurations or clean museum track layouts where the ballast casing must be hidden from viewer line-of-sight, this electronic module allows remote mounting installations **at a distance up to 8 feet away from the physical lamp socket base**. Installers extending field lead wires must utilize a minimum gauge of 18 AWG solid copper conductor lines wrapped inside high-temperature rated insulation sleeves. Never route wires close to sharp structural sheet metal paths without proper protective non-conductive edge grommets.
Chassis Physical Structural Housing Dimensions
- Maximum Casing Outer Length: 5.51" Inches (140.0mm actual block footprint length)
- Chassis Housing Section Width: 1.74" Inches (44.2mm actual casing profile width)
- Chassis Total Housing Height: 1.18" Inches (30.0mm actual vertical thickness)
- Center Mounting Hole Pattern: 5.24" L × 1.13" W Slot Layout utilizing 0.19" screws
- Total Enclosure Mechanical Weight: 0.56 lbs (Lightweight rigid steel casing)
Commercial Control Gear Equipment Cross-References
This 70W dedicated 120V low-frequency ballast serves as a replacement or alternative for the following models:
- Philips Advance Match: IZTMH-70-G-LF / Elite Low-Frequency Electronic HID 120V
- Sylvania Quicktronic Match: QHE 1x70MH/120 SQ / High-Efficiency Metal Halide Small Can
- Aromat / Panasonic Reference: M70120-MSLF / Specialty Low-Frequency Electronic HID Grid
Bulk Commercial Lighting Supply & Project Support
ADL Supply handles volume distribution shipments, multi-pack logistics, and contractor project quotes for procurement teams, schools, and warehouse facilities nationwide.
For specialized contractor pricing tiers, job-site pallet deliveries, or comprehensive submittal documentation, contact our support team directly at 1-800-235-3489. We are your commercial supply partners as an authorized wholesale Lighting Distributor In Doral, Florida.
