No chance to switch-off? With the Marquardt 1550 it will be possible!
If you have a device with high safety demands then the rocker switches Marquardt 1550 series are the right choice for you. They are mechanically designed the way that they offer a high reliability of switching-off even in the case of welded contacts.
Imagine a situation that you switch on a circuit, which because of a failure
has a much higher power consumption than it should have or from any reason it
has a much higher in-rush current than usually. In such and similar cases it
happens that the switch contacts weld together. At the subsequent attempt to
switch off the circuit, a relatively small force of the rocker switch spring
already may be insufficient to open these contacts thus it isn´t possible to
switch off the circuit correctly. This is especially unpleasant at various
control panels in the production operation, where in these cases the only way is
to switch off the whole device or a complex of devices by means of a common
master switch.
Advantages/ Features:
- double pole rocker switch 16 (4)A/ 250V AC, 10(4)A 5E4
- 100A in-rush (capacitive) current
- > 3mm contacts distance
- forced mechanical opening in case of contacts weld together
- illuminated window with a lens effect
- silk matt surface with an abrasionproof marking
- flammability UL 94 V-2
- 6,3mm quick connect terminals, PCB pins or solder terminals
- various versions available
To decrease this risk, switches Marquardt 1550 series are equipped by a
system of forced opening. Contacts or controlled by a control mechanism not only
by means of a spring but also by means of a lug, which is able if necessary to
push the contact bridge actuator by a significantly higher force than the spring
alone.
We offer to you from our stock the
1555.3108. It represents a double pole switch with a green illuminated
window, with a maximum current 16(4)A, resp. 10(4)A when a higher contacts
lifetime is guarrantied – 50 000 cycles. The switches handles up to 100 A
in-rush (capacitive) currents. Contacts are silver based and terminals are quick
connect 6.3mm. To install to panel only a standard 27,2 x 12,2 mm cut-out
necessary. Appliance panel can be 0.80 to 5.00 mm thick.
Switches from the 1550 series are available in various versions, detailed
information is in the
Marquardt 1550 datasheet.
20111104097.11.2011ComponentsSOS electronic s.r.o.