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7SR158 Technical Manual
Section 1: Common Functions
1.1
General
1.1.1
CE Conformity
This product is CE compliant to relevant EU directives.
1.1.2
Reference
This product complies with IEC 60255-1, IEC 60255-26, IEC 60255-27, IEC 60255-12, IEC61000-4-8
and ENATS 48-5
and withdrawn standards IEC 60255-3, IEC 60255-6, IEC60255-11,
1.1.2.1
Accuracy Reference Conditions
This product has been tested under the following conditions, unless specifically stated otherwise.
Parameter
Auxiliary supply
Frequency
Ambient temperature
1.1.3
Dimensions
Parameter
E4 case width
E6 case width
Height
Depth behind panel, including clearance
for: -
Wiring
Fibre Optic
Ethernet enclosure
Depth below Ethernet variant for cables
Projection (from front of panel)
See appropriate case outline and panel drilling drawing, as specified in Diagrams and Parameters of the
Installation section, for complete dimensional specifications.
1.1.4
Weights
Parameter
7SR157, E4 Case
Net weight
7SR157, E6 case
Chapter 3 - Page 4 of 18
Value
nominal
nominal
20 C
Value
103.5 mm
155.5 mm
177.0 mm
241.5 mm
286.5 mm
261.5 mm
75 mm
31.0 mm
Value
2.7 kg
3.65.kg
© 2022 Siemens Protection Devices Limited
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