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Temperature controls(RT Series)

LRT series temperature control is a temperature-controlled electric switch, can be directly connected to single-phrase A.C. motors of up to about 1KW, or installed in the control current circuit of D.C. motors and large A.C. motors.
T series temperature control has a single pole double throw (SPDT) changeover switch.
The position of switch depends on temperature control setting and bulb temperature.


 Technical data
Ambient temperature
-20 ~ 50℃
Cable connection
The cable entry can be used for 15mm dia.

 Electrical data

Voltage

Non-inductive current 

Inductive current 

Full load

Starting 

A.C.110V

24A

24A

144A

A.C.220V

16A

16A

96A


 Type & data

Model

Adjusting range
(℃)

Differential
(℃)

Factory set
(℃)

Max. bulb temperature
(℃)

Bulb size(mm)

Use condition 
(℃)

Capillary tube length
(m)

Min.

Max.

On

Off

Length

Diameter

LRT70

-70→-35

Low
5
High
3

15

-50

-45

45

80

10

Ts>Tb

1.5

LRT30

-30→0

-19

-14

LRT15

-15→15

-5

0

LRT40

0→40

5

20

17

20

70

120

12

Ts<Tb

LRT90

40→90

60

60

120

LRT120

70→120

90

95

130

Notes: Ts---bulk temperature, Tb---thermo bulb temperature


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