Honeywell MS3105, MS4105, MS7405, MS7505, MS8105 Catalog Page
Direct Coupled Damper Actuator—Spring Return
Zelix™ S05 Series: MS3105; MS4105; MS7405; MS7505; MS8105
Spring Return Direct Coupled Actuator, 44 lb-in
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
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
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:
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
-22 F to +149F (-30 C to +65 C)
Commercial
Components
70-6910 379
Direct Coupled Damper Actuator—Spring Return
Product Number Control Signal
MS3105J3030/U
Sylk-enabled Sylk-
MS3105J3130/U
MS4105A1030/U
Two position;
SPST
MS4105A1130/U
MS7405A2030/U
MS7505A2030/U
MS7505A2130/U
3 kOhm2-10
Vdc (4-20 mA
w/500 ohm
resistor);
On/Off; SPDT;
Floating; Three
position
(0)2-10 Vdc (420 mA w/500
ohm resistor);
On/Off; SPDT;
Floating
MS7505W2030/U
MS7505W2130/U
MS8105A1030/U
Two position;
SPST
MS8105A1130/U
MS8105W1030/U
MS8105W1130/U
Timing (seconds)
Nominal
Feed-
Driving
back
@ 60 Hz
90 sec 25 sec — — 6/3 VA 24 Vac/dc— — Enclosed
enabled
Sylk-
90 sec 25 sec — — 6/3 VA 24 Vac/dc—— ——1
enabled
— 45 sec 25 sec — — 6/9 VA 100 to
— 45 sec 25 sec adjustable
2-10
90 sec 25 sec Min. Pos. — 6/3 VA 24 Vac/dcMin. 95
Vdc
(0)2-10
90 sec 25 sec — — 6/3 VA 24 Vac/dcMin. 95
Vdc
(0)2-10
90 sec 25 sec adjustable
Vdc
(0)2-10
90 sec 25 sec — — 6/3 VA 24 Vac/dcMin. 95
Vdc
(0)2-10
90 sec 25 sec adjustable
Vdc
— 45 sec 25 sec — — 6/3 VA 24 Vac/dc— — Enclosed
— 45 sec 25 sec adjustable
— 45 sec 25 sec — — 6/3 VA 24 Vac/dc— Threaded
— 45 sec 25 sec adjustable
Maximum
Spring
Return Driving Holding (inch) (m)
Type of
Internal
Auxiliary
Switch
0-95
degrees
0-95
degrees
0-95
degrees
0-95
degrees
0-95
degrees
Switch
Ratings
250 Vac,
8 A res
(5 A ind)
250 Vac,
8 A res
(5 A ind)
250 Vac,
8 A res
(5 A ind)
250 Vac,
8 A res
(5 A ind)
250 Vac,
8 A res
(5 A ind)
Power
Consumption
Input
Impedance
250 Vac
6/9 VA 100 to
250 Vac
6/3 VA 24 Vac/dcMin. 95
6/3 VA 24 Vac/dcMin. 95
6/3 VA 24 Vac/dc—— ——1
6/3 VA 24 Vac/dc— Threaded
—— ——0
—— ——1
kOhm
kOhm
kOhm
kOhm
kOhm
Cable
Entry
———0
———0
———1
Threaded
conduit
connecto
r
Threaded
conduit
connecto
r
conduit
connecto
r
conduit
connecto
r
Electrical
Connections
screw
terminal
strip (22 to
14 AWG)
18 AWG
colorcoded
cable
screw
terminal
strip (22 to
14 AWG)
18 AWG
colorcoded
cable
Electrical
Connection
Length
——0
36 in. 0 9 m0
36 in. 0 9 m1
——0
36 in. 0 9 m0
36 in. 0 9 m1
Number
of
Internal
Auxiliary
Switch
380 customer.honeywell.com 70-6910
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