Honeywell MS3103, MS4103, MS7403, MS7503, MS8103 Catalog Page

Direct Coupled Damper Actuator—Spring Return

Zelix™ S03 Series: MS3103; MS4103; MS7403; MS7503; MS8103 Spring Return Direct Coupled Actuator, 27 lb-in

The MS8103 is a 27 lb-in (3Nm), 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

Actuator Type: Damper; Valve Rotational Stroke: 95 ±3 degrees Fail Safe Mode: Spring Return Torque Rating: 27 lb-in. (3 Nm) Spring Return Torque: 27 lb-in (3 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 Electrical Connections: Enclosed screw terminal strip (22 to 14 AWG) 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 Ambient Temperature Range: .-40 F to +149F (.-40 C to +65 C) Temperature Ratings (Shipping): .-40 F to +150F (.-40 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

Commercial

Product Number

MS3103J1030/U

MS4103A1030/U

MS4103A1130/U

MS7403A2030/U

MS7503A2030/U

MS7503A2130/U

MS8103A1030/U

MS8103A1130/U

Ambient

Timing (seconds)

Nominal

Feed-

Control Signal

Sylk-enabled Sylk-

Two position; SPST — 45 sec 25 sec — — 6/9 VA 100 to

Two position; SPST — 45 sec 25 sec adjustable

3 kOhm2-10 Vdc (4-20 mA w/500 ohm resistor); On/Off; SPDT; Floating; Three position

(0)2-10 Vdc (4-20 mA w/500 ohm resistor); On/Off; SPDT; Floating

Two position; SPST — 45 sec 25 sec — — 6/3 VA 24 Vac/dc— 0 .-22 F

Two position; SPST — 45 sec 25 sec adjustable

Driving

back

@ 60 Hz

90 sec 25 sec — — 6/3 VA 24 Vac/dc— 0 .-40 F

enabled

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

Maximum Spring Return (F) (C)

Type of Internal Auxiliary Switch

0-95 degrees

Switch Ratings

250 Vac, 8 A res (5 A ind)

Power Consumption, Driving

6/9 VA 100 to

6/3 VA 24 Vac/dcMin. 95

6/3 VA 24 Vac/dc— 1 .-22 F

Supply Vol ta g e

250 Vac

Number of

Input

Internal

Impe-

Auxiliary

dance

Switch

— 0 .-22 F

— 1 .-22 F

0 .-40 F

kOhm

0 .-40 F

kOhm

1 .-40 F

kOhm

Temperature Range

to +149F

.-40 C to +65 C

.-30 C to +65 C

.-40 C to +65 C

.-30 C to +65 C

Components

70-6910 375