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6 instrument description – JUMO 60.5051 Explosion-protected surface-mounting thermostat, ATH-EXx Operating Manual User Manual

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6 Instrument description

Permissible
ambient tem-
perature in
operation

Max operating temperature of the cable screw-connection for the TZ 679:
70°C.

Permissible
probe tempera-
ture

max. limit +15% (+550°C with limit > 450°C)

Permissible stor-
age
temperature

max. +50°C, min. -20°C

max. +50°C, min. -50°C et TZ 679

Connecting
cable

diameter 6 to 12 mm, conductor cross-section up to 2.5 mm

2

Switching dif-
ferential
in % of control/
limit range

Contact rating

Fusing required

see contact rating

Capillary

°C

Thermostat head °C

T6

T5

max.

+40

+40

+55

+55

min.

-20 (-50 et TZ 679)

Thermostats with end of scale

 350°C

Thermostats with end of scale

 350°C

Switching

action

Nominal

value

Possible

actual

value

Switching

action

Nominal

value

Possible

actual

value

TW

3

3-5

TW

5

5-9

STW

5

5-7

STW

6

6-11

TB / STB

– –

– –

TB / STB

– –

– –

TW, STW

Terminals 1-4 (break)

Terminals 1-2 (make)

AC1: 230 V +10%, 10 A

AC1: 230 V +10%, 5 A

AC15: 230 V +10%, 2 A

AC15: 230 V +10%, 0.8 A

DC1: 230 V +10%, 0.25 A

TB, STB

Terminals 1-4 (break)

Terminals 1-2 (make)

AC1: 230 V +10%, 16 A

AC1: 230 V +10%, 10 A

AC15: 230 V +10%, 2 A

AC15: 230 V +10%, 1.5 A

DC1: 230 V +10%, 0.25 A