Data Sheet

ManualsBrandsSiemens ManualsAutomationSiemens 3RT2026-1BB44-3MA0 Electrical contactor 3 makers 690 V AC 1 pc(s)

Data sheet 3RT2026-1BB44-3MA0

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

3-pole, Size S0 screw terminal Captive auxiliary switch for SUVA

applications

Product brand name SIRIUS

Product designation Power contactor

Product type designation 3RT2

General technical data

Size of contactor S0

Product extension

● function module for communication

● Auxiliary switch

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

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

3RT2026-1BB44-3MA0 Subject to change without notice

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Summary of content (12 pages)

PAGE 1
Data sheet 3RT2026-1BB44-3MA0 power contactor, AC-3 25 A, 11 kW / 400 V 2 NO + 2 NC, 24 V DC, 3-pole, Size S0 screw terminal Captive auxiliary switch for SUVA applications Product brand name SIRIUS Product designation Power contactor Product type designation 3RT2 General technical data Size of contactor S0 Product extension ● function module for communication No ● Auxiliary switch No Surge voltage resistance ● of main circuit rated value 6 kV ● of auxiliary circuit rated value 6 kV maximum
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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. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750 K Reference code acc.
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— up to 400 V for current peak value n=20 rated value 20.2 A — up to 500 V for current peak value n=20 rated value 20.2 A — up to 690 V for current peak value n=20 rated value 12.9 A ● at AC-6a — up to 230 V for current peak value n=30 rated value 13.5 A — up to 400 V for current peak value n=30 rated value 13.5 A — up to 500 V for current peak value n=30 rated value 13.
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— at 110 V rated value 2.5 A — at 220 V rated value 1A — at 440 V rated value 0.09 A — at 600 V rated value 0.06 A ● with 2 current paths in series at DC-3 at DC-5 — at 24 V rated value 35 A — at 110 V rated value 15 A — at 220 V rated value 3A — at 440 V rated value 0.27 A — at 600 V rated value 0.16 A ● with 3 current paths in series at DC-3 at DC-5 — at 24 V rated value 35 A — at 110 V rated value 35 A — at 220 V rated value 10 A — at 440 V rated value 0.
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● at AC-4 maximum 250 1/h Control circuit/ Control Type of voltage of the control supply voltage DC 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 15 ... 17.5 ms Arcing time 10 ...
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● at 125 V rated value 0.9 A ● at 220 V rated value 0.3 A ● at 600 V rated value 0.
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— at the side 0 mm ● for grounded parts — forwards 10 mm — upwards 10 mm — at the side 6 mm — downwards 10 mm ● for live parts — forwards 10 mm — upwards 10 mm — downwards 10 mm — 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 ● at contactor for auxiliary contacts Screw-type terminals ● of magnet coil Screw-type terminals Type of connectable conduc
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Safety related data B10 value ● with high demand rate acc. to SN 31920 1 000 000 Proportion of dangerous failures ● with low demand rate acc. to SN 31920 40 % ● with high demand rate acc. to SN 31920 73 % Failure rate [FIT] 100 FIT ● with low demand rate acc. to SN 31920 Product function ● Mirror contact acc. to IEC 60947-4-1 Yes ● positively driven operation acc. to IEC 60947-51 No T1 value for proof test interval or service life acc.
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Further information Information- and Downloadcenter (Catalogs, Brochures,…) www.siemens.com/sirius/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RT2026-1BB44-3MA0 Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2026-1BB44-3MA0 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.
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150.7 45 107 35.1 4.8 3 / L2 5 / L3 2 / T1 4 / T2 6 / T3 75 5 7.5 2.