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UDC 629.7.064.5 : 621.316.5
IS0
FO R STAN DARD IZATION
I N T ER NAT I ON A L O RG A N IZ AT1 O N
IS0 RECOMMENDATION
R 1033
DIMENSIONS FOR GENERAL PURPOSE PUSH-PULL
THR EE-POLE CI RCU IT-BR EAKERS FOR Al RCRAFT
1st EDITION
March 1969
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
IS0 Member Bodies. Reproduction of these
belongs to
be authorized therefore only
documents, in any country, may
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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-2- ISO/R 1033-1969 (E)
I IS0 Recommendation R 1033 March 1969
I
I
DIMENSIONS FOR GENERAL PURPOSE PUSH-PULL
TH R E E-PO L E CI R C U I T-B R EA K E RS FOR A I R CR A FT
1. SCOPE
This IS0 Recommendation states the dimensions for general purpose push-pull three-pole circuit-breakers for
aircraft, of ratings up to and including 35 amperes.
NOTE. - Attention is drawn to the necessity for the national approving authority being satisfied that the rupturing capacity of
a particular circuit-breaker is adequate for the application in which it is proposed to be used.
2. DIMENSIONS OF CIRCUIT-BREAKERS
The dimensions of the circuit-breakers, and of the part projecting through the mounting panel, should be
2.1
as shown in Figure 1.
2.2 The circuit-breaker should have at the centre of the front face of the case a 12 mm diameter, 1 mm pitch, or
equivalent, male thread for fixing through the mounting panel.
.2.3 The holes in the panel for mounting the circuit-breaker should
...