M. K. JUCHHEIM GmbH & Co • 36035 Fulda, Germany

Data Sheet 60.3021

Page 4/10

10.03/00073225

Case

Process connection*

*other process connections and pockets, see Data Sheet 60.6710.

Note:

Physical and toxicological properties of the expansion media which may escape in the event of a system fracture.

1) At present there is no restrictive statement from the health authorities concerning any danger to health

over short periods and at low concentrations, for example after a fracture of the measuring system.

Standard

cover: polycarbonate, impact-resistant

base: die-cast aluminium, painted

color: pebble gray RAL 7032

color: anthracite gray RAL 7015

Code a

cover: die-cast aluminium, painted

color: pebble gray RAL 7032

Setpoint adjustment

ATH-1:

switching point adjustable from the outside by

turning the knob

ATH-2, ATH-20, ATH-7, ATH-70:

switching point adjustable by screwdriver after taking

off case cover

Protection

EN 60 529-IP54

Cable entry

as standard: clamping gland M20 x 1.5, for 8 — 10 mm cable diameter

Weight

approx. 0.5 kg

Thermostat

mounting,

Series ATHf- . .

with capillary

Standard

thread M 18 x 1 with locknut on case spigot,

capillary exit at spigot

Code

r

by 2 screws through base of case, capillary exit on side of case,

cover and base in plastic

b

mounting flange in steel, capillary exit at case spigot

k

wall bracket

Series

ATHs-

with rigid stem

End of scale up to 150°C

Pocket U

End of scale above 150°C

Pocket UZ

screw-in pocket with screw-in spigot G 1/2

Form A to DIN 3852/2

screw-in pocket with screw-in spigot G 1/2

Form A to DIN 3852/2

and extension,

in order not to exceed the max. permissible ambient

temperature +80°C at the case

Series

ATHf-

with capillary

plain cylindrical probe A

(standard)

pocket U

(on resquet)

screw-in pocket with screw-in spigot G 1/2 Form A to DIN 3852/2

and clip with fixing screw for securing the probe

Material

Pocket U

Pocket UZ

up to +150°C CuZn (brass) as standard

above +150°C St (steel) as standard

(CrNi on request)

above +150°C St (steel) as standard

(CrNi on request)

Fitting length S

standard lengths: 100, 120, 150, 200 or 300 mm

other lengths on request

Immersion tube dia.

D = 8 mm, D = 10 mm

Control range

with end of scale

Dangerous

reactions

Fire /explosion hazard

Water

contamination

Toxicological data

ignition

temperature

explosion

limit % v/v

irritant

danger to

health

toxic

< +200°C

no

+ 280°C

1.2 — 7.5

yes

yes

1)

no

≥ 200°C ≤ +350°C

no

+ 490°C

1 — 3.5 V

yes

yes

1)

no

> 350°C ≤ +500°C

no

no

no

no

no

no

no

Connection

diagrams

ATH.-1

ATH.-2

ATH.-20

ATH.-7

ATH.-70

ATH.-7/U

ATH.-70/U