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Installation Instructions
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| For your convenience we have combined all appropriate product certificates (BG; TUV; CSA; UL; and Declaration of Conformity) in a single PDF file. |
| 44508-1120, 44508-1121, 44508-1122 , 44508-1129, 44508-1128, 44508-1130, 44508-1131, 44508-1132, 44508-1139 , 44508-1138, 44508-0711 |
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Magnetic Ferroresonant Stand-Alone Safety Interlock Switch
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| Conforms to EN1088, EN292, EN60204-1, EN50081, EN50082
UL and C-UL listed |
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Tamper resistant- the combination
of magnetic and ferroresonant
signals required to
close the safety contacts makes
the MFS very tamper resistant |
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Stand-alone- use for lower risk
applications as a stand-alone
safety switch allowing direct
switching of relays and
contactors up to 2 A at 230 VAC |
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LED on switch provides visible
indication of switch status;
green light indicates guard is
closed |
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Compact size- the MFS is
pre-wired and mounts easily on
1-in. square tubing |
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Use with safety monitoring
relays in applications requiring
a higher level of safety
reliability |
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NEMA 4 enclosure enables the
MFS to withstand water
washdown cleaning |
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Long life- the MFS is designed
for ten million actuations |
| The following models are readily available for shipment today or at least within 3 days. Please consider these for all new applications. |
| STI Model No. |
P/N |
Description |
| MFS-11P11C3 |
44508-1120 |
MFS Switch & Actuator, 1 N/C + 1N/O, 3M Cable |
| MFS-11P11C6 |
44508-1121 |
MFS Switch & Actuator, 1 N/C + 1N/O, 6M Cable |
| MFS-11P11C |
44508-1129 |
MFS Switch & Actuator, 1 N/C + 1N/O, M12 Male Connector |
| MFS-11P11CC5 |
44508-1128 |
MFS Switch & Actuator, 1 N/C + 1N/O, M12 Male Connector + 5M Cable |
| MFS-11P20C10 |
44508-1132 |
MFS Switch & Actuator, 2 N/C, 10M Cable |
| MFS-11P20CC5 |
44508-1138 |
MFS Switch & Actuator, 2 N/C, M12 Male Connector + 5M Cable |
| MFS-12P21C6 |
44508-1133 |
MFS-12 Switch & Actutor, 2N/C + 1N/O, 6M cable |
| MFS-12P21CC5 |
44508-1134 |
MFS-12 Switch & Actutor, 2N/C + 1N/O, M12 Male Connector + 5M cable |
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