Honeywell evohome Thermal actuator, passive (NO) MT4-230-NO Data Sheet

Product codes
MT4-230-NO
Page of 5
MT SMALL LINEAR THERMOELECTRIC ACTUATORS – PRODUCT DATA
 
EN0B-0490GE51 R0414 
3
ELECTRICAL SPECIFICATIONS 
Table 3. Electrical specifications 
order number 
initial 
current* 
permanent 
current* 
power 
consumption* 
Ø runtime for full nominal valve stroke*
(valve stroke: 2.5 mm) 
MT4 
(valve stroke: 6.5 mm)
MT8
MTx-024-xx, MTx-024S-xx 
~0.2 A** 
< 0.1 A
< 2 VA
4.0 min 
6.0 min
MTx-230-xx, MTx-230S-xx 
~0.4 A** 
< 0.01 A
< 2 VA
4.0 min 
6.5 min
* All values at nominal voltage 24 Vac/dc, 230 Vac, 50 Hz, ambient temperature: 20 °C. **Average during first 500 msec.
 
MOUNTING 
NOTE:  Connection leads must not touch piping (heat 
transfer). 
Click
 
Fig. 1. Mounting / installation positions 
 
Fig. 2. Dismounting 
FUNCTION 
When the operating current is applied, a PTC resistor heats 
up a wax element. After a delay, this wax element expands, 
causing stroke movement.