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Page Views: 211 Date Added: 06/20/2009 Last Updated: 06/20/2009 Expiry Date: 06/15/2028 Product/Service Details R438 AVR For Leroy Somer Alternators Product Description R438 AVR is for LEROY SOMER LSA 42.2, LSA 43.2, LSA 44.2 alternators with AREP excitation. AVR Characteristics - Standard power supply: AREP or PMG. - Rated overload current: 8 A - 10 s - Electronic protection (overload, short- circuit on opening of voltage sensing circuit): excitation overload current for 10 seconds then return to approximately 1A. The alternator must be stopped (or the power switched off) in order to reset the protection. - Fuse: F1 on X1, X2.8A; slow - 250V - Voltage sensing: 5 VA isolated via transformer; 0-110 V terminals = 95 to 140 V, 0-220 V terminals = 170 to 260 V, 0-380 V terminals = 340 to 520 V. - Voltage regulation ± 1%. - Normal or rapid response time via ST2 jumper (see below). - Voltage adjustment via potentiometer P2 other voltages via adapter transformer - Current sensing (parallel operation): C. T. 2.5 VA cl1, secondary 1 A (optional). - Quadrature droop adjustment via potentiometer P1 - Max. excitation current adjustment via P5. Additional photos

Company Information (Chongqing Kang Famous cummins Commerce Co., Ltd.)

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