Data Sheet

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Data sheet 3RT1055-1AF36

Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC

operation 110-127 V AC/DC Auxiliary contacts 2 NO + 2 NC 3-pole,

Size S6 with box terminal

Product brand name SIRIUS

Product designation Power contactor

Product type designation 3RT1

General technical data

Size of contactor S6

Product extension

● function module for communication

● Auxiliary switch

Yes

Surge voltage resistance

● of main circuit rated value

8kV

● of auxiliary circuit rated value

6kV

maximum permissible voltage for safe isolation

● between coil and main contacts acc. to EN

60947-1

690V

Protection class IP

● on the front

IP20; IP20 on the front with cover / box terminal

● of the terminal

IP00

Shock resistance at rectangular impulse

● at AC

8,5g / 5 ms, 4,2g / 10 ms

3RT1055-1AF36 Subject to change without notice

Page 1/

Summary of content (11 pages)

PAGE 1
Data sheet 3RT1055-1AF36 Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 110-127 V AC/DC Auxiliary contacts 2 NO + 2 NC 3-pole, Size S6 with box terminal Product brand name SIRIUS Product designation Power contactor Product type designation 3RT1 General technical data Size of contactor S6 Product extension ● function module for communication No ● Auxiliary switch Yes Surge voltage resistance ● of main circuit rated value 8 kV ● of auxiliary circuit rated value 6 kV
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● at DC 8,5g / 5 ms, 4,2g / 10 ms Shock resistance with sine pulse ● at AC 13,4g / 5 ms, 6,5g / 10 ms ● at DC 13,4g / 5 ms, 6,5g / 10 ms Mechanical service life (switching cycles) ● of contactor typical 10 000 000 ● of the contactor with added electronicscompatible auxiliary switch block typical 5 000 000 ● of the contactor with added auxiliary switch block typical 10 000 000 Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750 K Reference code acc.
PAGE 3
● at AC-4 at 400 V rated value 132 A ● at AC-5a up to 690 V rated value 162 A ● at AC-5b up to 400 V rated value 124 A ● at AC-6a — up to 230 V for current peak value n=20 rated value 148 A — up to 400 V for current peak value n=20 rated value 148 A — up to 500 V for current peak value n=20 rated value 148 A — up to 690 V for current peak value n=20 rated value 148 A — up to 1000 V for current peak value n=20 rated value 57 A ● at AC-6a — up to 230 V for current peak value n=30 rated value
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— at 600 V rated value 1.6 A ● with 3 current paths in series at DC-1 — at 24 V rated value 160 A — at 110 V rated value 160 A — at 220 V rated value 160 A — at 440 V rated value 11.5 A — at 600 V rated value 4A Operating current ● at 1 current path at DC-3 at DC-5 — at 24 V rated value 160 A — at 110 V rated value 2.5 A — at 220 V rated value 0.6 A — at 440 V rated value 0.17 A — at 600 V rated value 0.
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Operating power for approx. 200000 operating cycles at AC-4 ● at 400 V rated value 38 kW ● at 690 V rated value 55 kW Thermal short-time current limited to 10 s 1 300 A No-load switching frequency ● at AC 2 000 1/h ● at DC 2 000 1/h Operating frequency ● at AC-1 maximum 800 1/h ● at AC-2 maximum 300 1/h ● at AC-3 maximum 750 1/h ● at AC-4 maximum 130 1/h Control circuit/ Control Type of voltage of the control supply voltage AC/DC Control supply voltage at AC ● at 50 Hz rated value 110 .
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● at DC 20 ... 95 ms Opening delay ● at AC 40 ... 60 ms ● at DC 40 ... 60 ms Arcing time 10 ...
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● for three-phase AC motor — at 200/208 V rated value 50 hp — at 220/230 V rated value 60 hp — at 460/480 V rated value 125 hp — at 575/600 V rated value 150 hp Contact rating of auxiliary contacts according to UL A600 / Q600 Short-circuit protection Design of the fuse link ● for short-circuit protection of the main circuit — with type of coordination 1 required gG: 355 A (690 V, 100 kA) — with type of assignment 2 required gG: 315 A (690 V, 100 kA), aM: 200 A (690 V, 50 kA), BS88: 315 A (415 V
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● for auxiliary and control current circuit screw-type terminals ● at contactor for auxiliary contacts Screw-type terminals ● of magnet coil Screw-type terminals Type of connectable conductor cross-sections ● for main contacts — stranded max. 1x 95, 1x 120 mm² — finely stranded with core end processing max. 1x 95, 1x 120 mm² — finely stranded without core end processing max.
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General Product Approval EMC Functional Safety/Safety of Machinery Type Examination Certificate Declaration of Conformity Miscellaneous Marine / Shipping Test Certificates Marine / Shipping Special Test Certificate Type Test Certificates/Test Report other Confirmation Railway Miscellaneous Special Test Certificate Further information Information- and Downloadcenter (Catalogs, Brochures,…) www.siemens.com/sirius/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.
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180 170 120 107 17 37 1 / L1 3 / L2 5 31 NC 43 NO 43 NO 44 NO 13 NO 31 NC 32 NC 21 NC 130 138 160 164 175 32 NC 22 NC 7 8 44 NO 14 NO 7 22 NC 13 NO 6 100 5 / L3 14 NO 21 NC 61 9 4 / T2 6 / T3 15 2 / T1 10 3RT1055-1AF36 Page 10/11 09/13/2019 Subject to change without notice © Copyright Siemens