 Two-position, SPST, spring return, 175 lb-in., 20 Nm, direct-coupled actuator 100-240 VAC
Overview
Honeywell MS4120 175lb-in. (20Nm) torque, spring return, direct-coupled, line voltage actuator accepts two-position control for use in HVAC systems. It drives quarter-turn, final control elements requiring spring return fail-safe operation.
Features
- Brushless DC submotor with electronic stall protection for floating/modulating models; brush DC submotor with electronic stall protection for two-position models
- Self-centering shaft coupling for various shaft sizes
- For use with two-position, SPST, line- (Series 40) or low- (Series 80) voltage controls
- For use with floating or switched SPDT (Series 60) controls; use with proportional current or voltage (Series 70) controls
- For use with proportional current or voltage (Series 70) controls; available with adjustable zero and span
- Available with combined floating and modulating control in a single device and with line-voltage internal end switches
- Access cover facilitates connectivity
- Field selectable spring return direction and shaft position indicator and scale
- UL listed (cUL), CE compliant and plenum rated per UL873
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Customer Rating: Not Rated Yet
Quick Order Number: 521
Manufacturer: Honeywell
Part Number: MS4120A1209/U
Weight: 7.00 lbs
Stocked Item*: Yes
Quantity Available*: 1
Price: $437.87
* If an order is placed where the item is a "Non-Stocked Item" or the quantity ordered is more than the quantity available, all items in stock will be shipped and the remainder of the items will be shipped as soon as we get the "backordered" items in.
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Product Specifications
Product Specifications
- Application
- HVAC
- Dimensions (in.)
- 9.72 in high x 3.94 in wide x 2.95 in deep
- Dimensions (mm)
- 247 mm high x 100 mm wide x 75 mm deep
- Includes
- Mounting bracket, self-centering shaft adapter, 3mm crank
- Weight (lb)
- 6 lb
- Weight (kg)
- 2.72 kg
- Materials
- Aluminum housing, Plenum rated plastic access cover
- Comments
- Integral 1/2 in. NPSM conduit connection.
- Mounting
- Direct Coupled
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL873, Plenum Rated
- Electrical Connections
- Enclosed screw terminal strip (22 to 14 AWG)
- Operating Humidity Range (% RH)
- 5 to 95% RH, non-condensing
- Supply Voltage
- 100 to 250 Vac
- Power Consumption
- Driving-- 60 VA, Holding-- 13 VA
- Shipping and Storage Temperature Range (F)
- -40 F to +158 F
- Shipping and Storage Temperature Range (C)
- -40 C to +70 C
- Approvals, CE
- 89/336/ECC, 73/23/EEC
- Approvals, Canadian Underwriters Laboratories Inc.
- cUL C22.2 No. 24-93
- Ambient Temperature Range (F)
- -40 F to +140 F
- Ambient Temperature Range (C)
- -40 C to +60 C
- Switch Ratings
- 250 Vac, 5 A res
- Approvals, C-Tick
- N314
- Environmental, Electrical or Ingress Protection Rating
- NEMA 2
- Internal Auxiliary Switch
- 2
- Maximum Noise Rating
- Driving (dB(A) @ 1m)-- 40; Holding (dB(A) @ 1m)-- 20 (no audible noise)
- Stroke
- 95 ±3 degrees
- Shaft Dimensions (in.)
- 3/8 to 1.06 in. round or 3/8 to 11/16 in. square
- Actuator Type
- Damper; Valve
- Control Signal
- Two position; SPST
- Fail Safe Mode
- Spring Return
- Torque Rating (lb-in.)
- 175 lb-in.
- Torque Rating (Nm)
- 20 Nm
- Spring Return Torque/Force (lb-in., lbf)
- 175 lb-in.
- Spring Return Torque/Force (Nm, N)
- 20 Nm
- Additional Torque Ratings (lb-in.)
- Maximum Stall-- 300 lb-in.
- Additional Torque Ratings (Nm)
- Maximum Stall-- 34 Nm
- External Auxiliary Switches Available
- Yes, SW2-US
- Rotational Stroke Adjustment
- Mechanically limited 5 degree increments
- Timing, Nominal
- Driving @ 60 Hz-- 45 sec
- Spring Return Timing
- Maximum-- 20 sec
- Shaft Adapter Type
- Self-centering clamping
- Manual operation
- Manual crank
- Shaft Dimensions (mm)
- 10 to 27 mm round or 10 to 18 mm square
- Spring Return Direction
- By orientation
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Literature
Videos
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