FFE 3171 Ex d e (ATEX) Vibration Switch

3171 Ex d e
Vibration Switches
Specification Electrical Arrangements
3171 Ex d e Electro-mechanical vibration switch with manual reset
ATEX Classification:
II 2G Ex d e IIC T6 Gb Tamb*
II 2D Ex tb IIIC T85°C Db
NEPSI Classification:
Ex de IIC T6 Gb Ex tb IIIC T85°C
Drop and free fall:
BS EN60079-0 section 26.4
Performance:
Set level range 0.5 to 9g peak acceleration
Rated operating voltage:
AC 250 V 50/60 Hz
Utilisation category:
AC-15 3A 250Vac, DC-13 0.15A 250Vdc, DC-13 3A 30Vdc
Switch rating:
Ohmic/resistive load - AC 5 A 250 V, DC 5 A 30 V Inductive/motor load - AC 3 A 250 V, DC 3 A 30 V
Enclosure material:
Die-cast zinc alloy Mazak III
Enclosure finish:
Iron passivation with goose grey polyester powder coat
Temperature range:
-50°C to +80°C
Weight:
1.5kg typical
Connections:
Internal terminal block via M20x1.5mm threaded cable entry
Double-Throw (Change-Over):
Mounting: Mount vertically with reset button at bottom using fixings size M5
and anti-vibration washers or similar.
Contact Arrangements:
SPCO or DPCO
Alternative switch contacts:
Gold-plated contacts for low energy switching and/or monitoring.
DC or Peak AC Ratings: Voltage: 5 V to 30 V, Current: 4 mA to 400 mA Max VA = 0.12 (Current × Voltage)
Options Second cable entry: The unit can be supplied with a second M20x1.5mm threaded cable entry
Pre-sets: Where the rotating machine has a dominant frequency at 25Hz,
FFE Ltd. can provide a pre-set switch between 1g & 9g
Switches are shown in their normal system operating position after a manual or remote reset has been
performed
* Refer to Installation and Operating Manual
Order Code (For example: 8101-000)
8
1
-
0
0
Contacts
Poles:
Reset:
Pre-Set:
Material:
0 - Single Pole
0 - Manual Reset
0 - Factory Set
0 - Silver
1 - Double
1 - Gold
1 - Preset* 2 - Second Cable Entry (Factory Set)* 3 - Second Cable Entry (Preset)*
* See Options above
FFE Limited 9 Hunting Gate, Hitchin Hertfordshire, SG4 0TJ UK T F E W
+44 (0) 1462 444 740 +44 (0) 1462 444 789 [email protected] www.ffeuk.com
Formerly known as Fire Fighting Enterprises Ltd
Specifications and wiring information are provided for information only and are believed to be accurate. FFE
Ltd. assumes no responsibility for their use. Data and design are subject to change without notice. Installation
and wiring instructions are shipped with the products and should always be used for actual installation. For
more information, contact your Sales Representative.
Document Part No: 24-0047-02
www.ffeuk.com