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Ziehl TR-440 Temperature Protection Relay

BRAND : Ziehl

Control voltage Us

.......

AC/DC 24 – 240 V, 0/50/60 Hz, <2 W < 4 VA

 

Limits

Details

Control voltage Us

.......

AC/DC 24 – 240 V, 0/50/60 Hz, <2 W < 4 VA

 

Limits

.......

DC 20.4 - 297 V
AC 20 - 264 V

 

Sensor connection

.......

Pt 100 according to EN 60751 (2/3-wire version)

 

Measuring range

.......

-199°C. 850°C / -199°F .. 999°F

 

Sensor resistance + line res.

.......

max. 500 Ohm

 

Sensor current

.......

? 0.7 mA

 

Measurement cycle/measurement time

.......

< 2.5 s

 

Tolerance

.......

± 1°C, ± 1 Digit

 

Temperature drift

.......

<0.04°C/K

 

Relay data K2, K3 and K4

.......

3 x 1 change-over contact

 

Switching voltage

.......

max. AC 415 V

 

Switching current

.......

max. 6 A

 

Switching capacity

.......

max. 2000 VA (Ohmic load)
max. 120 W at DC 24 V

 

Nominal operating current for reversing switch

.......

3 A AC15 250 V; 2 A DC13 24 V

 

Recommended series fuse

.......

3.15 A slow-to-blow ( gL )

 

Contact service life, mechanical

.......

3 x 107 operating cycles

 

Contact service life, electrical

.......

1 x 105 operating cycles at 240 V / 6 A

 

Reduction factor at cos ? 0,3

.......

0,5

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