Data Sheet

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Data sheet 3RT2526-1BB40

Power contactor, AC-3 25 A, 11 kW / 400 V 2 NO + 2 NC 24 V DC 4-

pole size S0 screw terminals 1 NO + 1 NC integrated

Product brand name SIRIUS

Product designation contactor

Product type designation 3RT25

General technical data

Size of contactor S0

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

3RT2526-1BB40 Subject to change without notice

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Summary of content (10 pages)

PAGE 1
Data sheet 3RT2526-1BB40 Power contactor, AC-3 25 A, 11 kW / 400 V 2 NO + 2 NC 24 V DC 4pole size S0 screw terminals 1 NO + 1 NC integrated Product brand name SIRIUS Product designation contactor Product type designation 3RT25 General technical data Size of contactor S0 Product extension ● function module for communication No ● 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
PAGE 2
Protection class IP ● on the front IP20 ● of the terminal IP20 Shock resistance at rectangular impulse ● at DC 10g / 5 ms, 7,5g / 10 ms Shock resistance with sine pulse ● at DC 15g / 5 ms, 10g / 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.
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— at 24 V rated value 35 A — at 110 V rated value 35 A — at 220 V rated value 5A — at 440 V rated value 1A 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 1.25 A — at 110 V per NO contact rated value 2.5 A — at 220 V per NC contact rated value 0.5 A — at 220 V per NO contact rated value 1A — at 440 V per NC contact rated value 0.
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Control supply voltage at DC ● rated value 24 V Operating range factor control supply voltage rated value of magnet coil at DC ● initial value 0.8 ● Full-scale value 1.1 Closing power of magnet coil at DC 5.9 W Holding power of magnet coil at DC 5.9 W Closing delay ● at DC 50 ... 170 ms Opening delay ● at DC Arcing time 15 ... 17.5 ms 10 ...
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UL/CSA ratings Yielded mechanical performance [hp] ● for single-phase AC motor — at 110/120 V rated value 2 hp — at 230 V rated value 3 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: 63 A (690 V, 100 kA) — with type of assignment 2 required gG: 35 A (690 V, 50 kA) ● for short-circuit protection of the auxiliary switch required fuse gG:
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— at the side 6 mm Connections/ Terminals Type of electrical connection ● for main current circuit screw-type terminals ● for auxiliary and control current circuit screw-type terminals Type of connectable conductor cross-sections ● for main contacts — solid 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) — single or multi-stranded 2x (1 ... 2,5 mm²), 2x (2,5 ... 10 mm²) — finely stranded with core end processing 2x (1 ... 2.5 mm²), 2x (2.5 ...
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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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60 45 107 35.1 4.8 R3 3 43 R1 2 1 NC 75 A1 + 87 1 3 NO 3. 4. 5. A2 - 6. 2 2 NC 2.5 1 4 NO 7.