MS4103F1221/U

Specifications

Switch Configuration

SPST

Supply Voltage Frequency

50 Hz ; 60 Hz

Spring Return Orientation

CW or CCW (based on actuator orientation)

Spring Return

Yes

Shaft Mounting

Universal

Runtime

< 45 s

Regulatory Approvals

UL60730 ; IEC 60730-1 and Part 2–14 ; UL555S Temperature Degradation Test, Long Term Holding test ; Flame Resistance UL94-5VA ; UL2043, switch wiring dependent on coduit installation

Overall Width

3.266 in ; 83 mm

Overall Height

7.5 in ; 191 mm

Overall Depth

3.54 in ; 90 mm

Number of End Switches

2

NEMA Rating

NEMA 2

Minimum Shipping & Storage Temperature

-40 °F ; -40 °C

Minimum Shaft Diameter

0.375 in round ; 0.25 in square

Minimum Operating Humidity

5 % non-condensing

Minimum Operating Ambient Temperature

14 °F ; -10 °C

Maximum Shipping & Storage Temperature

150 °F ; 65 °C

Maximum Shaft Diameter

0.625 in round ; 0.5 in square

Maximum Return Timing

25 s

Maximum Operating Humidity

95 % non-condensing

Maximum Operating Ambient Temperature

150 °F ; 65 °C

Manual Override Included

No

Lead Length

3 ft ; 0.914 m

IP Rating

IP54

Internal Auxiliary Switch Voltage

125 V AC

Internal Auxiliary Switch Current

1 (resistive) A

Includes

Self-centering shaft adapter

Housing Material

Plenum rated plastic

Holding Power Consumption

5 VA

For Use With

Dampers

Fire & Smoke Rating

UL555S up to 250°F

Feedback Included

No

Features

1/2 in threaded swivel conduit connector ; Self-centering shaft adapter

Driving Power Consumption

6 VA

Driving Noise Rating

50 (db(A) @ 1m)

Damper Compatibility

Direct Mount

Connection Type

Cable

Compatible with External Auxiliary Switches

No

Built In Rotation Limiter

Yes, Adjustible in 7.5° increments

Angle of Rotation

95 °

Torque

27 in·lb ; 3 Nm

Supply Voltage

100 to 250 V AC

Power Loss Action

Spring return

Mounting Style

Direct Coupled

Control Signal

Two-Position (SPST)

Application

Fire and Smoke