MS8309F
Honeywell MS8309F 80lb-in. (9Nm) torque, spring return, direct-coupled, 24 Vac, CW actuator accepts two-position (SPST) control with an integral junction. Reliably operates in smoke control systems requiring UL555S ratings up to 350F.
Fast-Acting, Two-Position Actuator 80 lb-in Spring Return CCW, 24 Vac +20%, -10%
Fast-acting, two-position actuator with 80 lb-in., 9 Nm CCW spring return
Overview
Honeywell MS8120F 80 lb-in. (9Nm) torque, spring return direct-coupled, 24 Vac, CW actuator accepts two-position (SPST) control with an integral junction box. Reliably operates in smoke control systems requiring UL555S ratings up to 350F.
Features
- Integral spring return ensure return torque level
- Fifteen-second spring return timing
- No special cycling required and no audible noise during long-term holding
- Models available for 24, 120 and 230 Vac
- Ninety-five degree angle of rotation for tight damper closure
- Holds rated torque at reduced power level
- Die-cast aluminum housing design allows flush mounting to damper and eliminates need for limit switches to reduce power consumption
- Integral junction box with three conduit openings eliminates separate wiring box
Product Specifications
- Application
- Fire and Smoke
- Dimensions (in.)
- 7.5 in high x 5.13 in wide x 3.32 in deep
- Dimensions (mm)
- 192 mm high x 129 mm wide x 84 mm deep
- Weight (lb)
- 6 lb
- Weight (kg)
- 2.72 kg
- Materials
- Aluminum housing
- Comments
- Integral junction box with three 7/8 in. conduit openings (fittings not included)
- Mounting
- Direct Coupled
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL873, Plenum Rated
- Electrical Connections
- Two color-coded leads
- Operating Humidity Range (% RH)
- 5 to 95% RH, non-condensing
- Supply Voltage
- 24 Vac +20%, -10%
- Power Consumption
- Driving-- 23 VA, Holding-- 7 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)
- 0 F to +130 F
- Ambient Temperature Range (C)
- -18 C to +55 C
- Approvals, C-Tick
- N314
- Environmental, Electrical or Ingress Protection Rating
- NEMA 1; IP54
- Internal Auxiliary Switch
- 0
- Maximum Noise Rating
- Driving (dB(A) @ 1m)-- 80; Holding (dB(A) @ 1m)-- 20 (no audible noise)
- Stroke
- 95 ±3 degrees
- Shaft Dimensions (in.)
- 3/8 to 1/2 in. square or round
- Actuator Type
- Damper
- Control Signal
- Two position; SPST
- Fail Safe Mode
- Spring Return
- Torque Rating (lb-in.)
- 80 lb-in.
- Torque Rating (Nm)
- 9 Nm
- Spring Return Torque/Force (lb-in., lbf)
- 80 lb-in.
- Spring Return Torque/Force (Nm, N)
- 9 Nm
- Additional Torque Ratings (lb-in.)
- Maximum Stall-- 240 lb-in.; Minimum Driving at 350 F-- 80 lb-in.
- Additional Torque Ratings (Nm)
- Maximum Stall-- 27 Nm; Minimum Driving at 175 C-- 9 Nm
- External Auxiliary Switches Available
- Yes, 32003532-005
- Timing, Nominal
- Driving @ 60 Hz-- 15 sec, 25 sec maximum
- Spring Return Timing
- Maximum-- 15 sec
- Shaft Adapter Type
- Aluminum Hub, four set screws
- Shaft Dimensions (mm)
- 10 to 13 mm square/round
- Spring Return Direction
- CCW
- Electrical Connections (in.)
- 16 in.
- Electrical Connections (mm)
- 406 mm
