Product Description
Surface mounting thermostat for applications with hot water storage cylinders or water pipes.
For temperature control of hot water storage cylinders, high and low temperature limiting on water pipes, and automatic heat/cool changeover for 2-pipe fan-coil systems.
Technical Properties
| Mounting place |
on cylinder |
| Suitable for |
water temperature control |
| Approvals |
CE |
| ErP Class |
I |
| Temperature element |
bimetal |
| Temp. setpoint range |
40 ... 80 oC |
| Differential fixed |
10 oC |
| Switch function/capacity |
SPDT 230Vac, 4 A resistive, 2 A inductive |
| Housing (HxWxD) |
79 mm | 44 mm | 54 mm |
| Protection class |
IP30 |
| Wiring connection |
Screw terminals (x3) |
| Terminal max. wire size |
1.5 mm2 |
| Media temp. |
0 ... 95 oC |
| Ambient temperature |
0 ... 70 oC |
| Additional Descriptions |
Thermostat delivered with mounting strap for cylinders (L641A) or mounting springs for pipes (L641B).- A manual setting knob is supplied with L641A.
- A tamperproof cover is supplied with L641B.
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