Siemens 3RN1 دليل المستخدم

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Applications
Motor monitoring with PTC in the
winding:
• For long starting and braking
operations
• For high switching frequencies
• For increased ambient tempera-
tures
• When the cooling medium flow
is restricted
• For AC drive operation
Highlights
• All products are PTB-ATEX
certified
• Wire breakage and short circuit
in the sensor circuit are displayed
• Versions with hard-gold-plated
relays which are electronics
compatible
• Favorably priced compact device
(A1 + 11 jumpered)
• Either screw

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SIMIREL 3RN1 thermistor motor protection for PTC thermistor temperature sensors Screw connection • Monostable version • All relays (with • 22.5 mm wide Thermistor motor protection (closed-circuit principle), AC/DC 24 V) relays for PTC thermistors trips when the control have electrical (type A PTCs) voltage fails isolation RESET Contacts Power supply Order No. voltage V s 50/60 Hz V AC Compact evaluation devices, 1 LED Terminal A1 is connected to the Auto 1 CO 24 AC/DC 3RN10 00-1AB00 common of th