Plug-In Current Transformers, 855 Series with the picoMAX pluggable connector Primary rated current: 35 A Primary rated current: 64 A Secondary rated current: 1 A Secondary rated current: 1 A Short description: The 855 Series Plug-In Current Transformers are inductive, single-conductor current transformers. Due to the measurement principle used, these current transformers are exclusively designed for AC network applications. Features: First current transformer featuring picoMAX connection technology Also suitable for space-restricted applications Simple assembly permits 17.5 mm phase spacing, allowing perfect adjustment to any circuit breaker. Easy mounting on DIN rails or panels via carrier rail adapter Converts currents from 64 A or 35 A to 1 A Accuracy class 1 Pack. Pack. Description I I S G Item No. I I S G Item No. pr sr r pr sr r Unit Unit Plug-in current transformer 35 A 1 A 0.2VA 1 855-2701/035-001 15 64 A 1 A 0.2VA 1 855-2701/064-001 15 I = Primary rated current pr I = Secondary rated current sr S = Rated power r G = Accuracy class Technical Data Input: Rated continuous thermal current I 100 % 100 % cth Rated short-time thermal current I 60 x I / 1 s 60 x I / 1 s th pr pr Rated surge current I 2.5 x I 2.5 x I dyn th th Max. operating voltage V 0.72/3/- kV 0.72/3/- kV m Rated frequency f 50 Hz 60 Hz 50 Hz 60 Hz R Environmental requirements: Ambient operating temperature -10 C +55 C -10 C +55 C Storage temperature -20 C +70 C -20 C +70 C Rel. humidity 5 % 85 % (non-condensing) 5 % 85 % (non-condensing) Max. operating altitude 2000 m 2000 m Safety and protection: Degree of protection IP20 IP20 Insulation class E (120 C) E (120 C) Housing material PA 6.6 PA 6.6 Flammability rating V2 (UL94) V2 (UL94) Connection: Power cable feed-through 7.5 mm 7.5 mm Wire connection Push-in CAGE CLAMP (picoMAX 3.5, 2091-1122) Push-in CAGE CLAMP (picoMAX 3.5, 2091-1122) Cross sections 0.2 mm 1.5 mm / AWG 24 14 0.2 mm 1.5 mm / AWG 24 14 Strip lengths 8 9 mm / 0.31 0.35 in 8 9 mm / 0.31 0.35 in Standards and approvals: Conformity marking 11 Standards/Specifications EN 61869-2 EN 61010-1 EN 61869-2 EN 61010-1 Pack. Item No. Accessories Unit Carrier rail adapter for plug-in current transformer 855-9927 1 Connector assembly for current transformer 2007-8873 1 Operating tool, with partially insulated shaft, type 2, blade (3.5 x 0.5) mm 210-720 1 WAGO Kontakttechnik GmbH & Co. KG Postfach 2880 - D-32385 Minden Tel.: +49(0)571/887-0 E-Mail: info wago.com Subject to design changes 1 8.08.2015 Hansastr. 27 - D-32423 Minden Fax: +49(0)571/887-169 www.wago.com 7,5 855 Series Termination Mounting Application Dimensions 19 17,5 17,5 17,5 23,1 27 27 7,5 46,3 30 38 19 54