Product data sheet Surge Protective Devices OVRT23N40320PTSU Electrical Characteristics Protection mode LL-LN-LG-NG Number of poles / Type of current Type / Test class Nominal voltage (Un) (L-N / L-L) Frequency Maximum continuous operating voltage (Uc) (L-N / L-L) [V] [Hz] 4 / AC UL 1449 3rd Ed. - Type 4 for Type 2 apps IEC 61 643-1 2nd Ed. - T2 / II 277 +/- 15% ; 480 +/- 15% 50-60 [V] 320 / 640 1.0/0.4/1.0 Voltage protection level (Ures) 3 kA (L-N / N-G / L-G) [kV] Voltage protection level (Ures) 5 kA (L-N / N-G / L-G) [kV] 1.1/0.6/1.1 Voltage protection level (Ures) 10 kA (L-N / N-G / L-G) Voltage protection rating (VPR - UL 3rd Ed.) [kV] 1.2/0.7/1.2 (L-N / N-G / L-G) Nominal discharge current (In @ 8/20) [kV] 1.0/1.2/1.1 [kA] 20 Maximum discharge current (Imax @ 8/20) [kA] 40 [A] None / 100 Follow current interrupt rating (Ifi) (L-N / N-G) Response time Operating current (Ic) Short circuit withstand current (Isccr) [ns] < 25 [mA] < 0.1 [kA] 200 Integrated thermal disconnector Yes State indicator Yes Safety reserve No Remote indicator Yes Disconnector Circuit breaker B or C curve [A] 125 Disconnector J class fuse [A] 100 Mechanical Characteristics Wire range - Solid wire [AWG] 4-14 Wire range - Stranded wire [AWG] 6-14 Stripping length Tightening torque [In] 0.5 [in-lbs] 24.5 Degree of protection NEMA 1 Remote indicator Type of contact 1 NO / 1 NC Minimum load 12 VDC / 10 mA Maximum load Connection cross section 250 VAC / 1 A [AWG] 16 Miscellaneous Characteristics Operating temperature / Storing temperature [C] Maximum altitude [M/ft] Weight [g/lb] Color of housing / Fire resistance according to UL94 Reference standards -40 to +80 / -40 to +80 2000 / 6562 120/0.25 Gray RAL 7035 / V0 UL1449 3rd Ed; IEC 61 643-1; cURus Replacement Cartridges Phase OVRT240-320CU Neutral OVRT270-NCU Canada ABB Inc. Low Voltage Products 2117 - 32nd Avenue Lachine, QC, CANADA H8T 3J1 Tel.: 514-420-3100 Fax: 514-420-3137 Toll Free: 1-800-567-0283 www.abb.ca While all care has been taken to ensure that the information contained in this publication is correct, no responsibility can be accepted for any inaccuracy. The Company reserves the right to alter or modify the information contained herein at any time in the light of technical or other developments. Technical specifications are valid under normal operating conditions only. The Company does not accept any responsibility for any misuse of the product and cannot be held liable for indirect or consequential damages. (c) Copyright 2011 ABB Inc. All rights reserved. 1SXP430044D0201 / September 2012 Contact us