HEAT DISSIPATION
  

TIME RELAYS

Type

Rated supply
voltage Us
[V] 

Maximum dissipation at
rated supply voltage Us
[W]  

TM P

24-48VDC
24÷240VAC

0.9

TM M1

12÷240VAC/DC

1.2

TM M2

12÷240VAC/DC

1.2

TM PL

12÷240VAC/DC

1.2

TM D

24÷240VAC/DC

TM ST

24-48VDC
24÷240VAC

0.9

TM LS

220÷240VAC

0.8

 
 AT1-AT1P

24VAC 

0.46

100-240VAC

0.33-1.15

220-440VAC

0.49-1.44

   
 AT1C-AT1CP

12VDC

0.54

24VDC

1.13

12VAC

0.46

24VAC

1.32

48-60VDC

0.61-0.76

110-125VDC

1.4-1.61

48-60VAC

0.6-0.73

110-125VAC

1.48-1.72

   
 ATD

24VDC

0.3

48VDC

0.2

24VAC

0.41

48VAC

0.26

110-127VAC

0.86

220-240VAC

1.8

   
 AT1DP

24VDC

0.54

48VDC

1.31

24VAC

0.74

48VAC

1.46

110-127VAC

1.2

220-240VAC

1.3

   
 BTPM-BTPM1

24VDC 

0.73 (0.45 BTPM1)

48VDC

1.97 (1.63 BTPM1)

60VDC

2.7 (2.3 BTPM1)

24VAC

0.92 (0.75 BTPM1)

48VAC

2.16 (1.9 BTPM1)

60VAC

2.88 (2.59 BTPM1)

110-127VAC

1.2

220-240VAC

1.4

   
 DRPL

24VDC

0.78

48VDC

1.85

60VDC

2.5

24VAC

1

48VAC

2.1

60VAC

2.75

110-127VAC

1.84

220-240VAC

2

   
 BT2N

24VDC

0.73

48VDC

1.63

24VAC

0.99

48VAC

1.85

110-127VAC

1.02

220-240VAC

1.03

380-415VAC

1.32

415-440VAC

1.14

   
 L48T

24VAC/DC

0.46

110VAC

0.4

220-240VAC

0.52

   
 L48TP

24VAC/DC

0.46

110VAC

0.4

220-240VAC

0.52

   
 L48TPB

24VAC

0.75

24VDC

0.5

110VAC

1.2

220-240VAC 

1.4

   
 L48M

24VAC

0.92

24VDC

0.8

240VAC

1.4

240VDC

1.5

    
To calculate total heat dissipation, add contact dissipation to the value given above. The maximum specific dissipation of the relay contacts is 0.1W/A.   
The estimate of contact dissipation is to be made considering total contact current and the diversity factor if 
 the device is equipped with more than one output relay.

    
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