Application:

The Retrozone RZ3-1M 2 Wire Spring Return Damper Actuators are designed to be used as replacements for Honeywell’s M847D, M847D1004 & similar HVAC damper actuators.

Also works on these models:

For Jackson HD series
For Jackson D XX series
For Zonefirst ZDS
For EWC URD
For Robert Shaw DAR
For Trol a temp RDMZ, RDMH, and MARD
For Hansen

OE/Part number:

M847D,RZ3-1M

Features:

Extremely reliable. Statistical life reliability exceeds 120,000 cycles at 90% reliability and 100% confidence with no decay in delivery torque over life of the actuator.

Torque is consistently delivered throughout the full 90º rotational operating range to open and close the damper, irrespective of whether the actuator is operating in Power Advance Mode (energized) or Spring Return Mode (de-energized).

Specifications:

Condition:100% new
Voltage: 24 VAC +/- 10%, 60 Hz, 0.36A
Torque Rating: Power open 32 in. oz./spring close 32 in. oz. 
Speed Stroke: Motor driven 30 sec./spring return 6 sec.
Rotating Angle: 93.5º
Noise Level: Very quiet operation, typically ≦ 40dB at 3'

Package includes:

1×Motor Actuator 
(Showing as the picture)

Note:

No instruction included.
Professional installation of the product is highly recommended.