Capacitor contactor, AC-6b 25 kVAr, / 400 V 1 NO + 2 NC, 24 V AC, 50/60 Hz 3-pole, Size S0 screw terminal |
product brand name | SIRIUS |
product designation | capacitor contactors |
product type designation | 3RT26 |
General technical data |
size of contactor | S0 |
product extension auxiliary switch | No |
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 according to EN 60947-1 | 400 V |
shock resistance at rectangular impulse | |
● at AC | 8,3g / 5 ms, 5,3g / 10 ms |
shock resistance with sine pulse | |
● at AC | 13,5g / 5 ms, 8,3g / 10 ms |
mechanical service life (switching cycles) | |
● of the contactor with added auxiliary switch block typical | 3 000 000 |
electrical endurance (switching cycles) | 200 000 |
reference code according to IEC 81346-2 | Q |
Substance Prohibitance (Date) | 05/01/2014 |
Ambient conditions |
installation altitude at height above sea level maximum | 2 000 m |
ambient temperature | |
● during operation | -25 ... +60 °C |
● during storage | -55 ... +80 °C |
relative humidity minimum | 10 % |
relative humidity at 55 °C according to IEC 60068-2-30 maximum | 95 % |
Main circuit |
number of NO contacts for main contacts | 3 |
number of NC contacts for main contacts | 0 |
operational current at AC-6b at 690 V at ambient temperature 60 °C rated value | 36 A |
operating reactive power at AC-6b | |
● at 230 V at 50/60 Hz at ambient temperature 60 °C rated value | 5 ... 14 kvar |
● at 400 V at 50/60 Hz at ambient temperature 60 °C rated value | 8 ... 25 kvar |
● at 500 V at 50/60 Hz at ambient temperature 60 °C rated value | 10 ... 31 kvar |
● at 690 V at 50/60 Hz at ambient temperature 60 °C rated value | 14 ... 43 kvar |
no-load switching frequency | |
● at AC | 500 1/h |
operating frequency at AC-6b | |
● at 230 V maximum | 100 1/h |
● at 240 V maximum | 100 1/h |
● at 400 V maximum | 100 1/h |
● at 480 V maximum | 100 1/h |
● at 500 V maximum | 100 1/h |
● at 600 V maximum | 100 1/h |
● at 690 V maximum | 72 1/h |
Control circuit/ Control |
type of voltage | AC |
type of voltage of the control supply voltage | AC |
control supply voltage at AC | |
● at 50 Hz rated value | 24 V |
● at 60 Hz rated value | 24 V |
control supply voltage frequency | |
● 1 rated value | 50 Hz |
● 2 rated value | 60 Hz |
operating range factor control supply voltage rated value of magnet coil at AC | |
● at 50 Hz | 0.8 ... 1.1 |
● at 60 Hz | 0.85 ... 1.1 |
apparent pick-up power of magnet coil at AC | 81 VA |
inductive power factor with closing power of the coil | 0.72 |
apparent holding power of magnet coil at AC | 10.5 VA |
inductive power factor with the holding power of the coil | 0.25 |
closing delay | |
● at AC | 8 ... 40 ms |
opening delay | |
● at AC | 4 ... 16 ms |
arcing time | 10 ... 10 ms |
control version of the switch operating mechanism | Standard A1 - A2 |
residual current of the electronics for control with signal <0> | |
● at AC at 230 V maximum permissible | 7 mA |
Auxiliary circuit |
number of NC contacts for auxiliary contacts | 2 |
● attachable | 0 |
● instantaneous contact | 2 |
number of NO contacts for auxiliary contacts | 1 |
● attachable | 0 |
● instantaneous contact | 1 |
operational current of auxiliary contacts at AC-12 maximum | 10 A |
operational current of auxiliary contacts at AC-15 | |
● at 230 V | 6 A |
● at 400 V | 3 A |
operational current of auxiliary contacts at DC-13 | |
● at 24 V | 6 A |
● at 60 V | 2 A |
● at 110 V | 1 A |
● at 125 V | 0.9 A |
● at 220 V | 0.3 A |
contact reliability of auxiliary contacts | 0.00000001 |
UL/CSA ratings |
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: 80 A (690 V, 50 kA) |
● for short-circuit protection of the auxiliary switch required | gG: 10 A (500 V, 1 kA) |
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 |
fastening method | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
height | 135 mm |
width | 45 mm |
depth | 155 mm |
required spacing | |
● with side-by-side mounting at the side | 10 mm |
● for grounded parts at the side | 10 mm |
Connections/ Terminals |
type of electrical connection | |
● for main current circuit | screw-type terminals |
● for auxiliary and control 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 | |
— solid | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
— stranded | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
— solid or 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 ... 6 mm²), 1x 10 mm² |
● at AWG cables for main contacts | 2x (16 ... 12), 2x (14 ... 8) |
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 |
— solid or 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 cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14), 2x 12 |
type of minimum connectable cross-section for main contacts at AC-6b | |
● at 40 °C | 1x 10 mm² |
● at 60 °C | 2x 10 mm² |
AWG number as coded connectable conductor cross section for main contacts | 16 ... 8 |
Safety related data |
product function | |
● mirror contact according to IEC 60947-4-1 | No |
● positively driven operation according to IEC 60947-5-1 | No |
protection class IP on the front according to IEC 60529 | IP20 |
touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
Certificates/ approvals |
Downloads and manuals |
|
Further information |
Information- and Downloadcenter (Catalogs, Brochures,…) |
Industry Mall (Online ordering system) |
Cax online generator |
Service&Support (Manuals, Certificates, Characteristics, FAQs,...) |
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) |
Characteristic: Tripping characteristics, I²t, Let-through current |
Further characteristics (e.g. electrical endurance, switching frequency) |
|
|
|
last modified: | 12/8/2021 |
Date 5/14/2022 | Subject to change without notice © Copyright Siemens 2022 |