Direct Coupled Damper Actuator—Spring Return
Zelix™ S05 Series: MS3105; MS4105; MS7405; MS7505; MS8105 Spring Return Direct Coupled Actuator, 44 lb-in
Actuator Type: Damper; Valve Rotational Stroke: 95 ±3 degrees Fail Safe Mode: Spring Return Torque Rating: 44 lb-in. (5 Nm)
Spring Return Torque: 44 lb-in. (5 Nm) Spring Return Direction: By orientation
Dimensions, Approximate: 6 81/54 high x 3 55/84 wide x 3 5/32 deep (177 mm high x 98 mm wide x 80 deep)
External Auxiliary Switches Available: No Environmental Rating: NEMA2
Ingress Protection Rating: IP54
Feedback: Sylk-enabled
Frequency: 50 Hz; 60 Hz
Mounting: Direct Coupled
Maximum Noise Rating, Holding (dBA @ 1m): 20 (no aud ble noise) Maximum Noise Rating, Driving (dBA @ 1m): 40
Rotation to Open: By switch
Rotational Stroke Adjustment: Mechanically limited 5 degree increments
The MS8105 is a 44 lb-in (5Nm), spring return direct-coupled, line voltage actuator that accepts two-position (SPST) control for: air dampers, air handlers, ventilation flaps, louvers, and ball valves.
•Brushless DC submotor with electronic stall protection on all models
•Self-centering shaft adaptor (shaft coupling) for wide range of shaft sizes
•Models available for use with two-position, SPST, line- (Series 40) or low- (Series 80) voltage controls
•Models available for use with floating or switched SPDT (Series 60) controls
•Models avail able for use with proportional current or voltage (Series 70) controls
•Models available with combined floating and modulating control in a single device
•Models available with an internal end switch
•Models available with three-foot, 18 AWG color-coded cable
•Access cover to facilitate connectivity
•Durable plastic housing with built-in mechanical end limits
•Spring return direction field selectable
•Shaft position indicator and scale
•UL (cUL) listed and CE compliant
•All models are plenum rated per UL873
•Integral 1/2 in. NPSM conduit connection on some models
Compatible Damper Shafts: 3/8 to 5/8 in. round or 1/4 to 1/2 in. square (9 to 16 mm round or 6 to 13 mm square)
Shaft Adapter Type: Self-centering clamping
Supply Voltage: 24 Vac/dc
Materials: Plenum rated plastic housing
Operating Humidity Range (% RH): 5 to 95% RH, non-condensing Temperature Ratings (Shipping): -40 F to +150F (-40 C to +65 C)
Ambient Temperature Range:
MS3105, MS7405, MS7505: -40 F to +149F (-40 C to +65 C) MS4105, MS8105: -22 F to +149F (-30 C to +65 C)
Storage Temperature Range: .-40 F to +150F (.-40 C to +65 C) Weight: 3.5 lb (1.6 kg)
Includes: Mounting bracket, self-centering shaft adapter
Approvals
CE: EMC 2004/108/EC; Certification Low Voltage Directive 2006/95/EC; IEC 60730-1 and Part 2-14
C-Tick: N314
Underwriters Laboratories, Inc: UL 873
Canadian Underwriters Laboratories, Inc: cUL C22.2 No. 24-93
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