Name: ML7999A2001 Honeywell Actuator | 100 lb-in 85-264VAC Valve Control
SKU: ML7999A2001
Price: 234.00 USD
Availability: InStock

Product details

ML7999A2001 – Honeywell Actuator (100 lb-in, 85-264VAC)

Brand: Honeywell | Model: ML7999A2001 | Type: Actuator | Torque: 100 lb-in (11.3 Nm)

High-torque actuator with universal power supply (85-264 VAC). Direct shaft coupling, 95° stroke. Includes feedback potentiometer. Password protected. For gas valves, dampers, and industrial controls.

Key Features

High torque – 100 lb-in (11.3 Nm) continuous
Universal power – 85-264 VAC, 50/60 Hz
Direct mount – fits 1/2″ shaft (adapters for 5/16″, 3/8″, 9/16″, 5/8″, 3/4″)
Position feedback – 5 kΩ potentiometer included
Password protected – 8-digit hexadecimal ID
Separate wiring – line voltage and low voltage compartments

Technical Specifications

General
- Manufacturer: Honeywell
- Model: ML7999A2001
- Type: Actuator
- Frequency: 50/60 Hz
Electrical
- Supply voltage: 85-264 VAC
- Power consumption: 15 VA max
- Control signal: ±4.25 Vdc differential (DR1-DR2)
- Password: 8-digit hexadecimal ID required
Mechanical
- Torque: 100 lb-in (11.3 Nm) continuous
- Stall torque: 150 lb-in (17 Nm) max
- Stroke: 95° ±3° (mechanically limited)
- Position accuracy: ±0.1°
- Timing (90°): 24-30 seconds
- Cold-start timing (-40°F to -20°F): 150 seconds max
- Design life: 100,000 full-stroke cycles
Feedback
- Potentiometer: 5 kΩ ±10%
Environmental
- Operating temp: -40°F to +140°F (-40°C to +60°C)
- Storage temp: -40°F to +150°F (-40°C to +65°C)
- Humidity: 5-95% RH (non-condensing)
- Vibration: 0-0.5g continuous
- Noise: 55 dBA max at 1m
Mounting
- Direct shaft: 1/2″ round or square
- Adapters: 5/16″, 3/8″, 9/16″, 5/8″, 3/4″
- Hub setscrew torque: 60 ±10 lb-in
Certifications
- UL873 (Underwriters Laboratories)
- CE certified

Installation & Commissioning

Mounting: Direct shaft coupling – no extra parts for 1/2″ shaft.
Wiring: Separate compartments for line and low-voltage wiring.
Setup: Actuator requires 8-digit ID signal from R7999 controller.
Adjustment: Feedback potentiometer for position sensing.
Torque: Tighten setscrews to 60 ±10 lb-in.

Compatibility & Applications

Systems: Honeywell R7999 controller or compatible devices.
Valves: V51 Butterfly Gas Valves (bracket kit available).
Typical uses: Gas valve control, damper positioning, industrial actuators.

Package & Delivery

Package: 1 actuator + mounting hardware.
Warranty: 12 months.
Shipping: FedEx, UPS, DHL – dispatched within 12-24 hours.

Expert Review

“Robust actuator for critical valve control. The 100 lb-in torque handles heavy loads. Universal power input simplifies installation. Password protection adds security.”

Manager’s Insight

“Great for gas valve applications. Direct shaft mounting saves time. The separate wiring compartment meets safety codes. Use the feedback potentiometer for position monitoring.”

Application Scenarios

Gas valve control in industrial burners
Damper positioning in HVAC systems
Butterfly valve actuation
Process control valve positioning

Comparison with Similar Models

ML7999A2001 – 100 lb-in, 85-264 VAC, 5 kΩ feedback.
ML7999A1001 – Different voltage range (120 VAC only).
ML7999B2001 – Higher torque version.
ML6999A2001 – Lower torque, smaller footprint.

FAQ

What is the torque rating?
100 lb-in (11.3 Nm) continuous.
What voltage does it accept?
85-264 VAC, 50/60 Hz.
What shaft sizes does it fit?
Direct 1/2″; adapters for 5/16″, 3/8″, 9/16″, 5/8″, 3/4″.
Does it have position feedback?
Yes – 5 kΩ potentiometer included.
Is password protection required?
Yes – needs 8-digit hexadecimal ID from R7999.
What is the stroke angle?
95° nominal ±3°.
What certifications does it have?
UL873 and CE certified.
How to choose between ML7999A2001 and ML7999A1001?
A2001 has universal voltage; A1001 is 120 VAC only.