> SIEMENS>CONTROL AND CONTACTORS>Contactors for switching motors>3RT1526-1AD20 SIEMENS CONTACTOR, AC-3 40 A,11KW/400V, AC 42 V, 50/60 HZ 4-POLE, 2 NO + 2 NC, SIZE S0, SCREW..
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3RT1526-1AD20 SIEMENS CONTACTOR, AC-3 40 A,11KW/400V, AC 42 V, 50/60 HZ 4-POLE, 2 NO + 2 NC, SIZE S0, SCREW.. View larger
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3RT1526-1AD20 SIEMENS CONTACTOR, AC-3 40 A,11KW/400V, AC 42 V, 50/60 HZ 4-POLE, 2 NO + 2 NC, SIZE S0, SCREW..

3RT1526-1AD20

SIEMENS

Power contactor, AC-3 25 A, 11 kW / 400 V 42 V AC, 50/60 Hz 4-pole, 2 NO + 2 NC, Size S0 Screw terminal !!! Phased-out product !!! Successor is SIRIUS 3RT2 Preferred successor type is >>3RT2526-1AD20<<

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CONTROL AND CONTACTORS > Contactors for switching motors

* Brand new product in its original packaging covered by the warranties and certifications provided by SIEMENS

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Go to successor article: 3RT2526-1AD20 3RT2526-1AD20

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product brand nameSIRIUS
Product designationpower contactor
General technical data:
Size of contactorS0
Insulation voltage
● rated value690 V
Degree of pollution3
Protection class IP
● on the frontIP20
Mechanical service life (switching cycles)
● of contactor typical10 000 000
● of the contactor with added electronics-compatible auxiliary switch block typical5 000 000
● of the contactor with added auxiliary switch block typical10 000 000
Ambient conditions:
Installation altitude at height above sea level maximum2 000 m
Ambient temperature
● during operation-25 ... +60 °C
● during storage-55 ... +80 °C
Main circuit:
Number of NO contacts for main contacts2
Number of NC contacts for main contacts2
Operating current
● at AC-1
— up to 690 V at ambient temperature 40 °C rated value40 A
— up to 690 V at ambient temperature 60 °C rated value35 A
● at AC-2 at AC-3 at 400 V
— per NO contact rated value25 A
— per NC contact rated value25 A
Connectable conductor cross-section in main circuit at AC-1
● at 60 °C minimum permissible10 mm²
● at 40 °C minimum permissible10 mm²
Operating current
● at 1 current path at DC-1
— at 24 V rated value35 A
— at 110 V rated value4.5 A
— at 220 V rated value1 A
— at 440 V rated value0.4 A
● with 2 current paths in series at DC-1
— at 24 V rated value35 A
— at 110 V rated value35 A
— at 220 V rated value5 A
— at 440 V rated value1 A
Operating current
● at 1 current path at DC-3 at DC-5
— at 24 V per NC contact rated value20 A
— at 24 V per NO contact rated value20 A
— at 110 V per NC contact rated value1.25 A
— at 110 V per NO contact rated value2.5 A
— at 220 V per NC contact rated value0.5 A
— at 220 V per NO contact rated value1 A
— at 440 V per NC contact rated value0.045 A
— at 440 V per NO contact rated value0.09 A
● with 2 current paths in series at DC-3 at DC-5
— at 110 V per NC contact rated value7.5 A
— at 110 V per NO contact rated value15 A
— at 220 V per NC contact rated value1.5 A
— at 220 V per NO contact rated value3 A
— at 24 V per NC contact rated value35 A
— at 24 V per NO contact rated value35 A
— at 440 V per NC contact rated value0.135 A
— at 440 V per NO contact rated value0.27 A
Operating power
● at AC-1
— at 230 V rated value15 kW
— at 400 V rated value26 kW
● at AC-2 at AC-3
— at 230 V per NC contact rated value5.5 kW
— at 230 V per NO contact rated value5.5 kW
— at 400 V per NC contact rated value11 kW
— at 400 V per NO contact rated value11 kW
Power loss [W] at AC-3 at 400 V for rated value of the operating current per conductor1.6 W
Operating frequency
● at AC-1 maximum1 000 1/h
Control circuit/ Control:
Type of voltage of the control supply voltageAC
Control supply voltage at AC
● at 50 Hz rated value42 V
● at 60 Hz rated value42 V
Operating range factor control supply voltage rated value of magnet coil at AC
● at 50 Hz0.8 ... 1.1
● at 60 Hz0.8 ... 1.1
Apparent pick-up power of magnet coil at AC64 V·A
● at 50 Hz64 V·A
Inductive power factor with closing power of the coil0.72
● at 50 Hz0.72
Apparent holding power of magnet coil at AC8.4 V·A
● at 50 Hz8.4 V·A
Inductive power factor with the holding power of the coil0.24
● at 60 Hz0.24
Closing delay
● at AC6 ... 30 ms
● at DC30 ... 90 ms
Opening delay
● at AC13 ... 25 ms
● at DC13 ... 40 ms
Arcing time10 ... 15 ms
Control version of the switch operating mechanismconventional
Residual current of the electronics for control with signal <0>
● at AC at 230 V maximum permissible0.006 A
Auxiliary circuit:
Number of NC contacts
● for auxiliary contacts
— instantaneous contact0
Number of NO contacts
● for auxiliary contacts
— instantaneous contact0
Operating current at AC-12 maximum10 A
Operating current at AC-15
● at 230 V rated value6 A
● at 400 V rated value3 A
Operating current at DC-12
● at 60 V rated value6 A
● at 110 V rated value3 A
● at 220 V rated value1 A
Operating current at DC-13
● at 24 V rated value10 A
● at 60 V rated value2 A
● at 110 V rated value1 A
● at 220 V rated value0.3 A
Contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
Short-circuit protection
Design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 requiredfuse gL/gG: 63 A
— with type of assignment 2 requiredfuse gL/gG: 35 A
● for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 10 A
Installation/ mounting/ dimensions:
Mounting positionwith vertical mounting surface +/-180° rotatable, with vertical mounting surface +/- 30° tiltable to the front and back
Mounting typescrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
● Side-by-side mountingYes
Height85 mm
Width61 mm
Depth91 mm
Required spacing
● for grounded parts
— at the side6 mm
Connections/Terminals:
Type of electrical connection
● for main current circuitscrew-type terminals
● for auxiliary and control current circuitscrew-type terminals
Type of connectable conductor cross-sections
● for main contacts
— solid2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), max. 2x 10 mm²
— single or multi-stranded2x (1 ... 2,5 mm²), 2x (2,5 ... 6 mm²), max. 2x 10 mm²
— finely stranded with core end processing2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
● at AWG conductors for main contacts2x (20 ... 16), 2x (18 ... 14), 1x 12
Type of connectable conductor cross-sections
● for auxiliary contacts
— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)
— single or multi-stranded2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
● at AWG conductors for auxiliary contacts2x (20 ... 16), 2x (18 ... 14), 1x 12
Safety related data:
Failure rate [FIT]
● with low demand rate acc. to SN 31920100 FIT

Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
3RT1526-1AD20 SIEMENS CONTACTOR, AC-3 40 A,11KW/400V, AC 42 V, 50/60 HZ 4-POLE, 2 NO + 2 NC, SIZE S0, SCR 88 Kbytes 3RT1526-1AD20 SIEMENS CONTACTOR, AC-3 40 A,11KW/400V, AC 42 V, 50/60 HZ 4-POLE, 2 NO + 2 NC, SIZE S0, SCR

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