Commercial Building Controls : Dampers and Damper Actuators : Fire and Smoke Damper Actuators : 24 Vac Fire/Smoke Actuators : 175 lb-in. 24V : MS8120F1002/U
Fast-acting, two-position actuator with 175 lb-in spring return and 24 Vac
Overview
Honeywell 175 lb-in. (20Nm) torque, spring return, direct-coupled, 24 Vac actuator accepts two-position (SPST) control with an integral junction box. Reliably operates in smoke control systems requiring UL555S ratings up to 350F.
Product Specifications
- Application
- Fire and Smoke
- Dimensions (in.)
- 10.67 in high x 3.94 in wide x 2.95 in deep
- Dimensions (mm)
- 271 mm high x 100 mm wide x 75 mm deep
- Includes
- Self-centering shaft adapter, 3mm crank
- Weight (lb)
- 8 lb
- Weight (kg)
- 3.63 kg
- Materials
- Aluminum housing
- Comments
- Two integral 3/8 in. flexible conduit connections
- Item Type
- Product
- Mounting
- Direct Coupled
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL873, Plenum Rated
- Electrical Connections
- Teflon-jacketed cable
- Operating Humidity Range (% RH)
- 5 to 95% RH, non-condensing
- Supply Voltage
- 24 Vac +20%, -10%
- Power Consumption
- Driving-- 45 VA, Holding-- 10 VA
- Shipping and Storage Temperature Range (F)
- -40 F to +140 F
- Shipping and Storage Temperature Range (C)
- -40 C to +60 C
- Approvals, CE
- 89/336/ECC, 73/23/EEC
- Approvals, Canadian Underwriters Laboratories Inc.
- cUL C22.2 No. 24-93
- Ambient Temperature Range (F)
- -40 F to +130 F
- Ambient Temperature Range (C)
- -40 C to +55 C
- Regulatory Compliance Mark
- N314
- Environmental, Electrical or Ingress Protection Rating
- NEMA 2; IP54
- Internal Auxiliary Switch
- 0
- Maximum Noise Rating
- Driving (dB(A) @ 1m)-- 70; Holding (dB(A) @ 1m)-- 20 (no audible noise)
- Stroke
- 95 3 degrees
- Shaft Dimensions (in.)
- 3/8 to 1.06 in. round or 3/8 to 11/16 in. square
- Actuator Type
- Damper
- Control Signal
- Two position; SPST
- Fail Safe Mode
- Spring Return
- Torque Rating (lb-in.)
- 175 lb-in.
- Torque Rating (Nm)
- 20 Nm
- Spring Return Torque/Force (lb-in., lbf)
- 175 lb-in.
- Spring Return Torque/Force (Nm, N)
- 20 Nm
- Additional Torque Ratings (lb-in.)
- Maximum Stall-- 425 lb-in.; Minimum Driving at 350 F-- 175 lb-in.
- Additional Torque Ratings (Nm)
- Maximum Stall-- 48 Nm; Minimum Driving at 175 C-- 20 Nm
- External Auxiliary Switches Available
- No
- Timing, Nominal
- Driving @ 60 Hz (sec)-- 15 sec
- Spring Return Timing
- Maximum-- 15 sec
- Shaft Adapter Type
- Self-centering clamping
- Manual operation
- Manual crank
- Shaft Dimensions (mm)
- 10 to 27 mm round or 10 to 18 mm square
- Spring Return Direction
- By orientation
- Electrical Connections (in.)
- 40 in.
- Electrical Connections (mm)
- 1 m
