File E156943 Project 97ME21192 January 13, 1998 REPORT on INDUSTRIAL CONTROL EQUIPMENT - COMBINATION MOTOR CONTROLLERS Siemens Energy and Automation Inc. Canton, Georgia USA Copyright © 1998 Underwriters Laboratories Inc. Underwriters Laboratories Inc. authorizes the above-named company to reproduce this Report provided it is reproduced in its entirety. File El56943 Vol. 1 Sec. 11 and Report Page l Issued: 1998-01-13 Revised: 2004-02-27 DESCRIPTION PRODUCT COVERED: USL, CNL - Open Type Self-Protected Combination Motor Controller, Cat. No. 3RV1021 followed by combination of 0, 1 or 4 and a letter A,B,C,D,E,F,G,H,J or K followed by Al or A3, followed by 0,1,2,3,4,5 or 8, may be followed by additional numbers and letters. 3RV1928-1H, 3RV1925-5EB Line Terminal Adaptor. GENERAL: These devices are open type manual combination motor controllers. They are intended to provide motor disconnection means, motor branch-circuit short-circuit and ground fault protection, motor control, and motor overload protection. These devices are suitable for use as Service Equipment. These devices may also be used with Siemens Listed type 3RT contactors and 3RW solid state controllers. When used, the contactors and solid state controllers have the same horsepower rating as the 3RV1021 devices with which they may be used. These devices are provided with line terminal adapters, cat. no. 3RV1928-1H or cat. No. 3RV1925-5EB fastened onto existing line side terminal blocks of combination motor controller. The adapters may be factory or fieldinstalled. (See “Marking” section.) These devices may be used with insulated busbar systems, Cat. No. 3RV1915, with the 3RV1925-5EB adapter. In these application, the incoming line terminal to the busbar systems has spacings not less than 2 in. (50.8 mm) measured over surface, and 1 inch (25.4 mm) through air. ENGINEERING CONSIDERATIONS (NOT FOR UL REPRESENTATIVE'S USE) CNL - Indicates investigated to Canadian National Standards(s) C22.2 No. 14-M91 Note: CNL = Canadian National Standards - Listed USL - United States Standards - Listed RATINGS: Voltage 50/60 Hz Maximum HP ratings 1-phase 3-phase 2-poles 3-poles 115-120 2@ ---200-208 3@ 7-1/2@ 230-240 5@ 7-1/2@ 460-480 ---15@ 575-600 ---20@ These devices are suitable for Design E motors. @ - Suitable for controlling motors with a maximum motor nameplate full load current of 12.5 A at 600 V ac, and 22 A at 480 V ac. Torque of line terminal adapter = 2.5-3 Nm. These devices are suitable for use on circuits capable of delivering the following maximum short circuit currents. File E156943 Vol. 1 Sec. 11 and Report RMS. Symmetrical Amperes 30 kA 65 kA 65 kA Page 2 Issued: 1-13-98 Revised: 2004-02-27 Voltage 600 Y/347 V ac 480 Y/277 V ac 240 V ac The trip rating is 125% of the dial setting (thermal range). NOMENCLATURE: 3RV1021 I - 1A II A III 1 IV I. Basic type, Size 50 3RV1021 - 3 main contacts II. Setting Ranges 8 V - 1B VI P0 VII Suffix from to (A) 0A 0B 0C 0D 0E OF OG OH OJ OK 1A 1B 1C 1D 1E 1F 1G 1H 1J 1K 4A 4B 4C 0.11 0.14 0.18 0.22 0.28 0.35 0.45 0.55 0.7 0.9 1.1 1.4 1.8 2.2 2.8 3.5 4.5 5.5 7 9 11 14 17 0.16 0.2 0.25 0.32 0.4 0.5 0.63 0.8 1 1.25 1.6 2 2.5 3.2 4 5 6.3 8 10 12.5 16 20 22 III. Tripping Class A setting range with instantaneous tripping 12 x 1n, Class 10 overload relay.