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Specifications; Ordering Information - Honeywell MS4120S Product Data

Fast-acting, two-position actuators
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MS4120F; MS4620F,S; MS8120F,S; S2024-F; S20230-F FAST-ACTING, TWO-POSITION ACTUATORS

SPECIFICATIONS

Models: See Tables 1, 2, and 3.
Table 1. Models.
Model
MS4120F1006
MS4120F1204
MS4620F1005
MS4620F1203
MS8120F1002
MS8120F1200
S2024-F (MS8120S1006)
S20230-F (MS4620S1009)
S2024-F-SW2 (MS8120S1204) 24
S20230-F-SW2 (MS4620S1207) 230
a
Internal switches are designed to pass UL555S
requirements (at 350°F).
Dimensions: See Fig. 1.
Device Weight: 7 lb (3.2 kg).
Stroke: 95° ± 3°, mechanically limited.
Electrical Ratings:
Power Input:
MS4120F: 120 Vac ±10%, 60 Hz.
MS4620F,S; S20230-F: 230 Vac ±10%, 50/60 Hz.
MS8120F,S; S2024-F: 24 Vac +20%, -10%, 50/60 Hz
(Class 2).
Power Consumption:
MS4120F: Driving: 0.35A, 35W. Holding: 0.15A, 10W.
MS4620F,S; S20230-F:
Driving: 0.20A, 35W. Holding: 0.14A, 10W.
MS8120F,S; S2024-F: Driving: 45 VA. Holding: 10 VA.
Electrical Connections:
Lead Wires:
MS4120F, MS4620F, MS8120F: 1m Teflon wire.
MS4620S, MS8120S, S2024-F, S20230-F: 1m halogen-
free, silicone-free wire.
Two integral 3/8 in. flexible conduit connections.

ORDERING INFORMATION

When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
63-2584—7
Voltage
Internal Auxiliary
in Vac
Switches
120
None
120
a
2 SPST
230
None
230
a
2 SPST
24
None
24
a
2 SPST
24
None
230
a
2 SPDT
2
Timing (At Rated Torque and Voltage):
Drive Open: 15 seconds typical.
Spring Close: 15 seconds typical.
Auxiliary Switches:
Ratings (maximum load): 250 Vac, 5A resistive, 3A inductive.
Settings (fixed): 7° nominal stroke, 85° nominal stroke.
Torque Rating (at Rated Voltage):
Typical Holding (minimum at 350°F): 175 lb-in. (20 N•m).
Spring Return (minimum at 350°F): 175 lb-in. (20 N•m).
Stall Maximum (fully open at 75°F): 425 lb-in. (48.0 N•m).
350°F Minimum Driving: 175 lb-in. (20 N•m).
Design Life (at Rated Voltage): 30,000 full stroke cycles.
Minimum Damper Shaft Length:
1 in. (25 mm); 3-1/4 (83 mm) recommended.
Cycling Requirements:
Prolonged holding-period (1 year) testing of these actuators
has been performed with no spring return failures. The
actuator and the internal spring are designed to require no
special cycling during long-term holding.
Honeywell recommends following all local, state and national
codes for periodic testing of the entire smoke control
system. Refer to National Fire Protection Association
(NFPA) National Fire Codes®: NFPA90A, NFPA92A and
NFPA92B for your application.
NFPA recommends periodic examination of each fire/smoke
damper (semi-annually or annually) to ensure proper
performance.
Mounting: Self-centering shaft adapter.
Round Damper Shafts: 0.5 to 1.06 in.
Square Damper Shafts: 1/2 to 3/4 in.
Actuator can be mounted with shaft in any position.
IMPORTANT
• Honeywell does not recommend using linkages with
these actuators because side-loading of the output
hub reduces actuator life.
• 3/4 in. or greater shaft diameter recommended.
Noise Rating at 1m (Maximum):
Driving or Spring Return: 70 dBA.
Holding: 20 dBA (no audible noise).

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