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WIKA SB15 User Manual

Page 5

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4. Technical Data

11433094 03/

009 GB/D

WIKA Operating Instructions Safety Temperature Limiter Model SB15

5

4. Technical Data

Ingress protection
Case IP 53, terminals IP 00 (DIN EN 60 59 / IEC 59)

Display accuracy
Max. +4 % of the measuring range at the reference temperature of 3 °C at the
case and capillary.

Scale ranges
0 °C ... 400 °C

Permissible temperatures
Case:

+60 °C

Capillary:
plastic sheathed -40 °C ... +100 °C
copper braided -40 °C ... +350 °C

Scale limits
Max. 70 °p

Measuring principle
Bourdon tube system

Capillary
Plastic sheathed or copper braided,
capillary of copper or stainless steel 1.4571 depending on scale range

Capillary length
Max. 5 m

Capillary outlet
Lower back

Contact
1 Micro switch (fixed setting)

Load data
5 A, 50 V AC
There is no overcurrent protection fitted to these instruments. In order to

prevent the switches being welded through overload, a suitable protection
device should be fitted by the user.