User Manual

Siemens Building Technologies CA1N1222E / 11.1998
Landis & Staefa Division 3/4
Output per system SPDT, volt-free
Contact rating Max. AC 250 V
Max. 10 A resistive
Max. 2 A inductive, cos
ϕ
> 0.2
Voltage against earth Max. AC 250 V
Setpoint X
k
35 ... 95 °C / 50 ...130 °C, see 'Type summary'
Switching differential
∆
t:
– Immersion thermostats 3 ... 5 K, fixed
– Double immersion thermostats 3 K, fixed
Nominal pressure with standard pocket PN16
with stainless steel pocket PN40
Pocket thread R1/2 to ISO7/1
Orientation Any
Materials:
Housing and cover Die-cast aluminium / plastic
Standard pocket Nickel-plated brass
Optional pocket Z615 ... Z618 Stainless steel V4A
Cable entry Self-sealing grommet, PG13.5
Protection class I (VDE)
Protection standard IP43 to IEC529
Ambient temperatures:
– Housing Single thermostat: max. 80 °C
Double thermostats: max. 100 °C
– Sensor Max. 15 % above measuring range
Weight (including packaging) see 'Type summary'
Conformity Meets the requirements for CE marking
"Cold" contact position
TTM2, TTW2, TTW2L
2
1
50281
3
TTM22, TTM22L
2
1
50282
3
2
1
3
Caution
Observe the technical data
for the switching contacts:
AC 250 V / 10(2) A
Technical data
Connection
terminals