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MS4120F; MS4620F,S; MS8120F,S; S2024-F; S20230-F FAST-ACTING, TWO-POSITION ACTUATORS
3 63-2584—7
Temperature Ratings:
Ambient: -40°F to 130°F (-40°C to 55°C).
Shipping and Storage: -40°F to 140°F (-40°C to 60°C).
IMPORTANT
The actuator is designed to meet UL555S standards
at 350°F (176°C). The actuator must be tested with
the damper to achieve this rating.
NOTE: The actuator is designed to operate for 30 minutes
during a one-time excursion to 350°F (176°C).
Humidity Ratings: 5% to 95% RH noncondensing.
Environmental Protection Ratings:
NEMA2 and IP54 when mounted on a horizontal shaft.
Accessories:
205649 Mounting Bracket (not supplied with actuator).
Approvals: See Table 4.
Controller Type:
MS4120F: Line voltage (120 Vac), 2-position, spst (Series 40).
MS4620F,S; S20230-F: Line voltage (230 Vac), 2-position, spst
(Series 40).
MS8120F,S; S2024-F: Low voltage (24 Vac), 2-position, spst
(Series 80).
Table 4. Approvals.
a
Plenum applications require that conductors be enclosed in
conduit (see Wiring section for conduit details).
Fig. 1. Dimensional drawing of actuator in inches (mm).
Table 2. Actuator
S
election
(
M
S
S
eries
)
.
M Electrical Motor
S Fail Safe Function (Spring Return)
41 120 Vac 2-position Control; Reversible Mount Spring Return
46 230 Vac 2-position Control; Reversible Mount Spring Return
81 24 Vac 2-position Control; Reversible Mount Spring Return
20 175 lb-in. (20 N•m)
F Fire and Smoke (US)
S Fire and Smoke (EU)
1 No Feedback
0 No Auxiliary Switches
2 Two Auxiliary Switches
XX System Controlled Numbers
MS 41 20 F12 XX
MS4120F
MS4620F,
MS8120F
S20230-F,
S2024-F,
MS4620S,
MS8120S
UL/cUL X X
UL873 Plenum Rating,
File No. E4436;
Guide No. XAPX.
a
XX
CE X X
C-TICK X X
Table 3. Actuator
S
election
(S
20
S
eries
)
.
S Fail Safe Function (Spring Return)
20 20 N•m (175 lb-in.)
24 24 Vac 2-position Control; Reversible Mount Spring Return
230
230 Vac 2-position Control; Reversible Mount Spring
Return
F Fire and Smoke Actuator
No Auxiliary Switches
-SW2 Two Auxiliary Switches
S2024-F -SW2
10-11/16
(271)
1-9/16
(40)
8-5/8
(220)
2 (50)
3-15/16 (100)
2-15/16 (75)1/4 (6)
M20051