Data Sheet

ManualsBrandsSiemens ManualsAutomationSiemens 3RT2518-1BW40 Contactor 2 breakers, 2 makers 1 pc(s)

Data sheet 3RT2518-1BW40

Power contactor, AC-3 16 A, 7.5 kW, 400 V 2 NO + 2 NC 48 V DC 4-

pole Size S00 screw terminals

Product brand name SIRIUS

Product designation contactor

Product type designation 3RT25

General technical data

Size of contactor S00

Product extension

● function module for communication

● Auxiliary switch

Yes

Insulation voltage

● of main circuit with degree of pollution 3 rated

value

690V

● of auxiliary circuit with degree of pollution 3

rated value

690V

Surge voltage resistance

● of main circuit rated value

6kV

● of auxiliary circuit rated value

6kV

maximum permissible voltage for safe isolation

● between coil and main contacts acc. to EN

60947-1

400V

3RT2518-1BW40 Subject to change without notice

Page 1/

Summary of content (10 pages)

PAGE 1
Data sheet 3RT2518-1BW40 Power contactor, AC-3 16 A, 7.
PAGE 2
Protection class IP ● on the front IP20 ● of the terminal IP20 Shock resistance at rectangular impulse ● at DC 7.3g / 5 ms, 4.7g / 10 ms Shock resistance with sine pulse ● at DC 11,4g / 5 ms, 7,3g / 10 ms Mechanical service life (switching cycles) ● of contactor typical 30 000 000 ● 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.
PAGE 3
— at 24 V rated value 20 A — at 110 V rated value 12 A — at 220 V rated value 1.6 A — at 440 V rated value 0.8 A Operating current ● at 1 current path at DC-3 at DC-5 — at 24 V per NC contact rated value 20 A — at 24 V per NO contact rated value 20 A — at 110 V per NC contact rated value 0.075 A — at 110 V per NO contact rated value 0.15 A — at 220 V per NC contact rated value 0.375 A — at 220 V per NO contact rated value 0.
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Closing power of magnet coil at DC 4W Holding power of magnet coil at DC 4W Closing delay ● at DC 30 ... 100 ms Opening delay ● at DC Arcing time 7 ... 13 ms 10 ...
PAGE 5
— with type of assignment 2 required ● for short-circuit protection of the auxiliary switch required gG: 20A (690V, 100kA) fuse gG: 10 A Installation/ mounting/ dimensions Mounting position +/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface Mounting type screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 ● Side-by-side mounting Yes Height 57.
PAGE 6
● at AWG conductors for main contacts 2x (20 ... 16), 2x (18 ... 14), 2x 12 Type of connectable conductor cross-sections ● for auxiliary contacts — solid 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm² — single or multi-stranded 2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), 2x 4 mm² — finely stranded with core end processing 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) ● at AWG conductors for auxiliary contacts AWG number as coded connectable conductor cross section for main contacts 2x (20 ...
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General Product Approval EMC Functional Safety/Safety of Machinery Type Examination Certificate Declaration of Conformity Miscellaneous Test Certificates Type Test Certificates/Test Report Marine / Shipping Special Test Certificate Marine / Shipping other Confirmation other 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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45 73 35 5 1 R1 2. R3 3. 3 A1 + 4 A2 - 4. 50 57.5 29.8 1. 1. 2. 2 3. R2 4. R4 1.2 3.