Page 3-2 Page 3-4 Page 3-8 FOR BG SERIES MINI-CONTACTORS FOR BF SERIES CONTACTORS FOR B SERIES CONTACTORS Type RF9, phase failure sensitive, Type RF38, phase failure sensitive, Type RF200 and RF420, phase failure manual resetting manual or automatic resetting sensitive, manual or automatic resetting Type RFA9, phase failure sensitive, Type RFN38, non phase failure sensitive, Type RFN200 and RFN420, non phase automatic resetting manual or automatic resetting failure sensitive, manual or automatic resetting. Type RFN9, non phase failure sensitive, Type RF82 and RF95, phase failure sensitive, manual resetting manual resetting Type RFNA9, non phase failure sensitive, Type RFA82 and RFA95, phase failure automatic resetting. sensitive, automatic resetting Type RFN82 and RFN95, non phase failure sensitive, manual resetting Type RFNA82 and RFNA95, non phase failure sensitive, automatic resetting. Page 3-11 THERMISTOR PROTECTION RELAY 24VDC and 24 to 240VAC supply types. FRONT PROTECTION COVER OF CLEAR IDENTIFICATION OF THERMAL RF38 features THERMAL OVERLOAD RELAYS OVERLOAD RELAY MANUAL OR AUTOMATIC A sealable protection cover is RESETTING available. When fitted on to the The RF38 thermal relay front, it precludes all possible overload relay is supplied adjuster tampering and involuntary configured for manual activation of the Reset and resetting. Breaking the Stop buttons of the thermal plate below the Reset button allows for the overload relay. automatic resetting configuration. FIXING EASE OF THE THERMAL OVERLOAD RELAY SEALABLE RELAY COVER While the thermal overload A handy closing flap relay is being linked to the feature excludes any contactor, its auxiliary contact tampering of the thermal fits on and connects to the coil overload relay adjuster. terminal by rigid terminal. Complete relay fixing is done in a single operation, with no need of other connections.MOTOR PROTECTION RELAYS 3 Thermal overload relays for currents between 0.09 and 420A Phase failure sensitive and non phase failure sensitive versions Automatic and/or manual resetting Independent or direct mounting on contactor Thermistor protection relay. SEC.- PAGE Thermal overload relays For BG series mini-contactors ............................................................................................................................................ 3 - 2 For BF series contactors .................................................................................................................................................... 3 - 4 For B series contactors ...................................................................................................................................................... 3 - 8 Accessories ...................................................................................................................................................................... 3 - 10 Electronic relay Thermistor protection relay ............................................................................................................................................... 3 - 11 Dimensions ................................................................................................................. 3 - 12 Wiring diagrams ........................................................................................................... 3 - 13 Technical characteristics ................................................................................................. 3 - 14 TYPE OF THERMAL OVERLOAD RELAY Type of contactor Phase failure/single phase sensitive Non phase failure / Pages non single phase sensitive Manual/hand Automatic Manual/hand Automatic reset reset reset reset BG06...BG12 RF9 RFA9 RFN9 RFNA9 3-2 and 3-3 BF09...BF38 RF38 RFN38 3-4...3-6 BF40...BF80 RF82 RFA82 RFN82 RFNA82 3-5 and 3-7 BF95...BF110 RF95 RFA95 RFN95 RFNA95 3-4...3-7 B115...B180 RF200 RFN200 3-8 and 3-9 B250...B400 RF400 RFN400 For BF80 contactors ...A... and ...E... type. MOTOR CONTROL AND PROTECTION