OFFICINE OROBICHE S.p.A.
1/8
INSTRUCTIONS MANUAL FOR LEVEL SWITCHES
SERIES 4070
24010 Ponteranica (Bergamo) ITALY - via Serena, 10 - Tel. 0039/035/4530211 - Fax 0039/035/570546 - www.officineorobiche.it-e-mail:[email protected]
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JULY 14
Under reserve of modifications
IST//130-I
1. INSTRUMENT DESCRIPTION
Series 4070 level switches have been designed for external lateral installation on pressure tanks in a vertical position.
The models have one or two tripping units, each of which can be fitted with single (SPDT) or double exchange contacts
(DPDT) for low/high level controls and/or alarms.
2. MODEL IDENTIFICATION
407
XX
WP
Ex-d
EP
M4
WATER
PROOF
CASE
WATER-PROOF
M2
M3
CURRENT
continuos
J
304
I
CONTACT
DISPLACER MATERIAL
AISI 316
AISI 316L
2
2L
DPDT
2
CONTACT TYPE
WATER-PROOF
M6
M14
golden contacts
with inert gas
BASIC
A
D
HG BULB
VD
SPDT
Ø
Ø
BODY MATERIAL
C.S.
316
MODEL
PN 40
TRIPPING UNIT
DOUBLE
4
ANSI 150
2
ANSI 300
6
SINGLE
SEALED
NO STANDARD VERSION
FINNING
Ø
R1
R4
R3
PNA
ALUMINIUM
PNEUMATIC
