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JOHNSON CONTROLS M9203-BUB-2 Fail-Safe Damper Actuator - Fail-Safe Actuators with Spring Return
JOHNSON CONTROLSFail-Safe Actuators with Spring Return

JOHNSON CONTROLS M9203-BUB-2 Fail-Safe Damper Actuator

The JOHNSON CONTROLS M9203-BUB-2 is a fail-safe damper actuator with spring return, featuring On/Off operation. It operates on 85 to 264V AC input with a 2.8W power rating, provides 95° stroke with CW/CCW shaft…

SKU 3G-OTH-68431

Also listed as: M9203BUB2 · M9203 BUB 2

Brand
JOHNSON CONTROLS
Item
M9203-BUB-2 Fail-Safe Damper Actuator
Part Number
M9203-BUB-2
Category
Fail-Safe Actuators with Spring Return
Available to Order
Also known as:M9203-BUB-2JOHNSON CONTROLS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
M9203-BUB-2
Type
On/Off, Spring Return, 27 in-lb, Hardwired Plenum Rated Cables
AC
85 to 264V
Power Rating
2.8W
Input Voltage
85 to 264V AC
Plenum Rating
Plenum Rated
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
Yes
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS M9203-BUB-2 is a fail-safe damper actuator with spring return, featuring On/Off operation. It operates on 85 to 264V AC input with a 2.8W power rating, provides 95° stroke with CW/CCW shaft rotation, and includes an auxiliary switch. This plenum-rated actuator is hardwired and compatible with building automation systems.

Frequently Asked Questions

What is the JOHNSON CONTROLS M9203-BUB-2 actuator used for?

The JOHNSON CONTROLS M9203-BUB-2 is a fail-safe damper actuator with spring return, used in HVAC building automation systems to control air dampers. It provides 95° stroke with CW/CCW rotation, operates on 85 to 264V AC, and is plenum rated for safe use in air-handling spaces.

What are the specifications of the JOHNSON CONTROLS M9203-BUB-2?

The M9203-BUB-2 is an On/Off, spring return actuator with 27 in-lb torque, 95° stroke, and 85 to 264V AC input. It has a 2.8W power rating, includes an auxiliary switch, and is hardwired with plenum-rated cables. It is compatible with building automation systems.

Where to buy the JOHNSON CONTROLS M9203-BUB-2 worldwide?

3G Electric supplies the JOHNSON CONTROLS M9203-BUB-2 damper actuator worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this fail-safe actuator to your facility. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS M9203-BUB-2 actuator?

Mount the M9203-BUB-2 directly onto the damper shaft using the provided bracket. Ensure the 85 to 264V AC power supply is disconnected before hardwiring the plenum-rated cables. Verify the 95° stroke and CW/CCW rotation match damper requirements. Test spring return function after installation.

Used in

Common applications for JOHNSON CONTROLS
Building automation systems — Johnson Controls TE-6361M-1 duct temperature sensor for monitoring duct temperatures in HVAC systems.
Refrigeration systems — Johnson Controls SEC99AA-24C armored capillary tubing for connecting pressure controls.
HVAC differential pressure control — Johnson Controls P74EA-8C for controlling equipment based on pressure changes.
Liquid flow detection — Johnson Controls F261MAH-V01C paddle flow switch for piping systems.
Hydronic heating and cooling — Johnson Controls VG2431YN globe valve for flow control in water systems.
Refrigeration condensing units — Johnson Controls P66AAB-1C fan speed control for maintaining pressure.
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JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS fail-safe actuators with spring return. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Rectangular motorized control damper with 27 in height, 27 in width, and 12 in length. Constructed of steel with 1 1/2 in flanges. Features flat blade type, normally open switch action, and operates on 100/240V AC. Suitable for regulating airflow in HVAC duct systems with maximum air velocity of 3500 fpm
Dayton
Rectangular motorized control damper with 27 in height, 27 in width, and 12 in length. Constructed of steel with 1 1/2 in flanges. Features flat blade type, normally open switch action, and operates on 100/240V AC. Suitable for regulating airflow in HVAC duct systems with maximum air velocity of 3500 fpm
Rectangular motorized control damper with steel construction and flat blade design. Measures 19 in height by 19 in width with 1 1/2 in flange width. Operates at 100/240V AC with normally open switch action, supporting maximum air velocity of 3500 fpm. Used for regulating airflow in HVAC and ventilation systems requiring fail-open operation
Dayton
Rectangular motorized control damper with steel construction and flat blade design. Measures 19 in height by 19 in width with 1 1/2 in flange width. Operates at 100/240V AC with normally open switch action, supporting maximum air velocity of 3500 fpm. Used for regulating airflow in HVAC and ventilation systems requiring fail-open operation
Rectangular manual control damper for regulating airflow in HVAC duct systems. Features a V-groove blade with TPE blade seal, normally open switch action, and includes an extension pin kit. Wall-mounted design with hat channel construction. Maximum air velocity 3000 fpm
Dayton
Rectangular manual control damper for regulating airflow in HVAC duct systems. Features a V-groove blade with TPE blade seal, normally open switch action, and includes an extension pin kit. Wall-mounted design with hat channel construction. Maximum air velocity 3000 fpm

More from JOHNSON CONTROLS

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This proportional spring return actuator provides 70 in-lb torque for fail-safe damper control in HVAC systems. It operates on 24V AC/DC with a 90° stroke and CW/CCW rotation, featuring a self-centering clamping shaft. The hardwired NEMA 2/IP54 enclosure suits building automation applications requiring reliable damper positioning and power-loss closure
JOHNSON CONTROLS
This proportional spring return actuator provides 70 in-lb torque for fail-safe damper control in HVAC systems. It operates on 24V AC/DC with a 90° stroke and CW/CCW rotation, featuring a self-centering clamping shaft. The hardwired NEMA 2/IP54 enclosure suits building automation applications requiring reliable damper positioning and power-loss closure

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