Honeywell MS4120F Catalog Page
Direct Coupled Damper Actuators—Fire and Smoke
MS4120F; MS4620F; MS8120F
Fast-Acting, Two-Position Actuators, 175 lb-in
Actuator Type: Damper Rotational Stroke: 95 ±3 degrees Fail Safe Mode: Spring Return
Torque Rating: 175 lb-in. (20 Nm)
Minimum Driving Torque at 350 F: 175 b-in. Spring Return Torque: 175 lb-in. (20 Nm) External Auxiliary Switches Available: No Electrical Connections: Teflon-jacketed cable Electrical Connection Length: 40 in. (1 m) Environmental Rating: NEMA2
Ingress Protection Rating: IP54 Frequency: 60 Hz
Manual operation: Manual crank
Mounting: Direct Coupled
Maximum Noise Rating, Holding (dBA @ 1m): 20 (no aud ble noise) Maximum Noise Rating, Driving (dBA @ 1m): 70
The MS8120F,S is a 175 lb-in (20Nm), spring return direct-coupled, 24 Vac actuator that accepts two position (SPST) control with an integral junction box. The actuator accepts an on/off signal from a single-pole, single-throw (SPST) controller. They are designed to operate reliably in smoke control systems requiring Underwriter's Laboratories Inc. UL555S ratings up to 350 F.
•Brush DC submotor with electronic stall protection for 2-position models
•Self-centering shaft adapter (shaft coupling) for wide range of shaft sizes
•Models available for use with two-position, single pole single throw (spst), line- (Series 40) or low- (Series 80) voltage controls
•Metal housing with built-in mechanical end limits
•Spring return direction field-selectable
•Shaft position indicator and scale
•Manual winding capability with locking function
•UL (cUL) listed and CE compliant
•All Models are plenum-rated per UL873
Compatible Damper Shafts: 3/8 to 1.06 in. round or 3/8 to 11/16 in. square (10 to 27 mm round or 10 to 18 mm square)
Shaft Adapter Type: Self-centering clamping Materials: Aluminum housing
Operating Humidity Range (% RH): 5 to 95% RH, non-condensing Ambient Temperature Range: -40 F to +130 F (-40 C to +55 C) Storage Temperature Range: -40 F to +140 F (-40 C to +60 C)
Weight: 8 lb (3.63 kg)
Includes: Self-centering shaft adapter, 3mm crank Comments: Two integral 3/8 in. flexible conduit connections
Approvals
CE: 89/336/ECC, 73/23/EEC
C-Tick: N314
Underwriters Laboratories, Inc: UL873, Plenum Rated Canadian Underwriters Laboratories, Inc: cUL C22.2 No. 24-93
|
|
|
|
|
|
|
|
|
|
|
|
Timing (seconds) |
|
Power Consumption |
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
Maximum |
|
|
|
|
Number of |
|
|
Control |
Nominal |
Spring |
|
|
|
|
Internal |
Spring |
|
Driving |
Return |
|
|
|
Supply |
Auxiliary |
Return |
|
Product Number |
Signal |
@ 60 Hz |
(sec) |
Switch Ratings |
Driving |
Holding |
Voltage |
Switch |
Direction |
|
|
|
|
|
|
|
|
|
|
MS4120F1006/U |
Two position; |
15 sec |
15 sec |
— |
0.35A, 35W |
0.15A, 10W |
120 Vac |
0 |
By |
|
SPST |
|
|
|
|
|
±10% |
|
orientation |
|
|
|
|
|
|
|
|
|
|
MS4120F1204/U |
Two position; |
15 sec |
15 sec |
250 Vac, 5 A res |
0.35A, 35W |
0.15A, 10W |
120 Vac |
2 |
By |
|
SPST |
|
|
|
|
|
±10% |
|
orientation |
|
|
|
|
|
|
|
|
|
|
MS4620F1005/U |
Two position; |
15 sec |
15 sec |
— |
0.20A, 35W |
0.14A, 10W |
230 Vac |
0 |
By |
|
SPST |
|
|
|
|
|
±10% |
|
orientation |
|
|
|
|
|
|
|
|
|
|
MS4620F1203/U |
Two position; |
15 sec |
15 sec |
250 Vac, 5 A res |
0.20A, 35W |
0.14A, 10W |
230 Vac |
2 |
By |
|
SPST |
|
|
|
|
|
±10% |
|
orientation |
|
|
|
|
|
|
|
|
|
|
MS8120F1002/U |
Two position; |
15 sec |
15 sec |
— |
45 VA |
10 VA |
24 Vac |
0 |
By |
|
SPST |
|
|
|
|
|
+20%, -10% |
|
orientation |
|
|
|
|
|
|
|
|
|
|
MS8120F1200/U |
Two position; |
15 sec |
15 sec |
250 Vac, 5 A res |
45 VA |
10 VA |
24 Vac |
2 |
By |
|
SPST |
|
|
|
|
|
+20%, -10% |
|
orientation |
|
|
|
|
|
|
|
|
|
|
<![endif]>Commercial
<![if ! IE]><![endif]>Components
70-6910 |
|
|
|
393 |
|
|
Loading...