Honeywell MS8105A1008 SPST Actuator, Two Position

 
$112.88
SKU:
MS8105A1008
Qty:
 
 

The Honeywell MS8105A1008 two-position SPST actuator is used within HVAC systems to drive a variety of quarter-turn, final control elements requiring spring return fail-safe operation. Includes 44 lb-in, spring return, 24 Vac +/-20%, and frequency of 50/60 Hz.

Features
 
The Honeywell MS8105A1008 includes a brushless DC submotor with electronic stall protection, a self-centering shaft adaptor (shaft coupling) for a wide range of shaft sizes, an access cover to improve connectivity, Shaft position indicator and scale, and a durable plastic housing with built-in mechanical end limits. Spring return direction is field selectable. UL (cUL) listed and CE compliant, and plenum rated per UL873.

Product Specifications

Description Direct Coupled, General Purpose, Spring Return Actuator
Actuator Type Damper
Application Type HVAC
Torque/Force (lb-in., lbf) 44 lb-in
Torque/Force (Nm, N) 5 Nm
Fail Safe Mode Spring Return
Control Signal Two position SPST
Supply Voltage 24 Vac ±20%
Number of Internal Auxiliary Switch 0
External Auxiliary Switches Available Yes, SW2-US
Shaft Adapter Type Self-centering clamping
Manual operation Manual crank
Spring Return Torque/Force (lb-in., lbf) 44 lb-in.
Spring Return Torque/Force (Nm, N) 5 Nm
Maximum Stall Torque/Force (lb-in., lbf) 75 lb-in.
Maximum Stall Torque/Force (Nm, N) 8.5 Nm
Mounting Direct Coupled
Frequency 60 Hz/50 Hz
Rotational Stroke 95 ±3 degrees
Rotational Stroke Adjustment Mechanically limited 5 degree increments
Spring Return Direction By orientation
Timing, Maximum Spring Return (sec) 20 sec
Timing, Nominal Driving @ 60 Hz (sec) 45 sec
Dimensions (in.) 9.72 in high x 3.94 in wide x 2.95 in deep
Dimensions (mm) 247 mm high x 100 mm wide x 75 mm deep
Weight (lb) 6 lb
Weight (kg) 2.72 kg
Compatible Damper Shafts (in.) 3/8 to 1.06 in. round or 3/8 to 11/16 in. square
Compatible Damper Shafts (mm) 10 to 27 mm round or 10 to 18 mm square
Materials Aluminum housing, Plenum rated plastic access cover
Power Consumption (Driving) 25 VA
Power Consumption (Holding) 8 VA
Electrical Connections Enclosed screw terminal strip (22 to 14 AWG)
Temperature Range, Ambient (F) -40 F to +140 F
Temperature Range, Ambient (C) -40 C to +60 C
Temperature Range, Storage (F) -40 F to +158 F
Temperature Range, Storage (C) -40 C to +70 C
Operating Humidity Range (% RH) 5 to 95% RH, non-condensing
Maximum Noise Rating, Driving (dB(A) @ 1m) 40
Maximum Noise Rating, Holding (dB(A) @ 1m) 20 (no audible noise)
Environmental Rating NEMA2
Approvals, Underwriters Laboratories Inc UL873, Plenum Rated
Approvals, Canadian Underwriters Laboratories CUL C22.2 No. 24-93
Approvals, CE 89/336/ECC, 73/23/EEC
Approvals, C-Tick N314
Includes Mounting bracket, self-centering shaft adapter, 3mm crank
Comments Integral 1/2 in. NPSM conduit connection.