70 BCI motor. BCl-42.XX - Direct current motor with permanent magnets made of ceramic bound ferrite - Mechanical commutation through 8-piece collector - Closed steel motor housing with die-cast zinc bearing flanges - Operation in both directions of rotation - Service life 3 000 h for continuous operation (S1) - Insulation class B - Protection class IP 40, optionally higher Nominal data e BCl-42.25-A00 BCl-42.25-800 BCl-42.40-A00 BCl-42.40-800 Ty p - Nominal voltage (U J voe 12 24 12 24 8 Nom inal speed (n.)* rpm 3 300 3 300 3100 3100 Nom inal torque (M.l* mNm 38 38 57 57 Nom inal current ( J* 1 A 1.90 0.96 2.50 1.10 8 Nominal ou tput power (P J* w 13 13 19 19 Rated efficiency, approx. (nN) % 60 60 63 70 Free-running speed (nJ rpm 4 000 3 900 3 850 3 600 Free-running cu rrent ( ) 1 A 0.30 0.19 0.27 0.17 8L Starting torque (MJ mNm 200 190 330 320 Starting current (IJ A 7.60 4.00 11.2 5.90 Indu ced voltage (U m,,) V/1 000 rpm 2.74 5.50 3.04 6.40 Connection resistance (I ) Ohm 1.54 6.05 1.08 4.10 Connection inductance (I.,,) mH 2.20 8.90 1.20 5.10 6 Rotor m om ent of inertia (JJ kgm X 10 7.40 7.40 11.5 11.5 Heat resistance (R ) K/W 4.80 4.80 4.75 4.75 fu Protection class IP 40 Permissible ambient temperature range (Tul C 0 ... +40 Weight kg 0.40 0.40 0.50 0.50 Order No. on request 931 4225001 on request 931 4240 062 Su bject to alterations atTu max. 40 C ** Classification of protection class refers to installed state with sealing on the flange side Characteristic curve BCl-42.25, 24 V (at 25 C) BCl-42.40, 24 V (at 25 C) ... 100 ... 100 ., 90 ., 80 , .. , .. 70 60 , -2000 12000 1 ... 40.r l l , 1-- 11 . 11 .. -----,<- --- -----------+ ---f0,5 , ,, . / ,-----------. , ,, ,7 . , 20 20 10 10 .. Continu- Short-time .. / Contlnuou1 Short-lime .... l pll don operation apanllon operation 1-- -----r- -- ----i ----------fo 80 TorqueM(mNmJ TorqucM(mNm 1 1 1 Nominal data, see table 1 Nominal data, see table 0 14 ebmpapst 0 N