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205F-27855-10
10. Butterfly Valve Assemblies
2”…4” 2 and 3-Way SR
SmartX Actuators
SmartX Spring Return
Mx41-7153 Actuator
Model Number Actuator Code Power Input Signal Feedback Power Loss Mode Accessories
MA41-7153
556 or 556D
b
24 Vac
󰀨
–
SR
–
MF41-7153
Floating
MS41-7153
2 to 10 Vdc 2 to 10 Vdc
MA41-7153-502
󰀨
–

Switches
a
MF41-7153-502
Floating
MS41-7153-502
2 to 10 Vdc 2 to 10 Vdc
a - Optional. The first part number field of the valve assembly must call out VxxS-6xxx. Note models with 556D actuator code that require auxiliary switch option will
ship with one actuator without switches and one actuator with auxiliary switches.
b - 556D = Dual Actuators
Specifications
Actuator Code 556, 556D (Mx41-7153 Series)
Power Loss Mode Spring return
Control Signal On/off, floating, or proportional
2…10 Vdc., 4…20 mA with the
addition of a 500 ohm resistor
Power Requirements 24 Vac ± 20%,
22…30 Vdc, 9.7VA.
Environment NEMA 2
Ambient Temperatures –22…140 °F (–12…60 °C).
Regulatory Compliance c-UL-us LISTED mark and CE mark.
Manual Operator Provided on single mount units.
Option Auxiliary switches
7 A @250 Vac.
Non-Spring Return
NR-22xx-5xx Actuator
NR-22xx 2”…6” 2 and 3-Way
NSR Actuators
Model Number Actuator Code Power Input Signal Feedback Power Loss Mode Accessories
NR-2216-521
E24
24 Vac
󰀨 –
NSR
–
NR-2216-522

a
NR-2216-541
0…10 Vdc ,
4…20 mA
0…10 Vdc
–
NR-2216-542

a
NR-2224-521
E25 or E25D
b
󰀨 –
–
NR-2224-522

a
NR-2224-541
0…10 Vdc ,
4…20 mA
0…10 Vdc
–
NR-2224-542

a
a - Optional. The first part number field of the valve assembly must call out VxxS-6xxx. Note models with E25D actuator code that require auxiliary switch option will
ship with one actuator without switches and one actuator with auxiliary switches.
b - E25D = Dual Actuators
Power Loss Mode Non-spring return.
Control Signal On/off, floating, or 2 to 10 Vdc,
4…20 mA.
Power Requirements 20 to 30 Vac, 24 Vdc ± 10%
NR-2216 6.5VA, NR-2224 7.5VA
Environment NEMA 2.
Ambient Temperatures –4 to 122 °F (–2 to 50 °C).
Regulatory Compliance UL, CSA, CE.
Optional Auxiliary Switch 2 SPDT 24 Vac 1.5 A inductive, 3 A
resistive, 35 VA per switch.
Manual Operator Provided on all models.
Specifications
Actuator Code E24, E25, E25D (NR-2000 Series)
10. Butterfly Valve Assemblies