| Capacitor contactor, AC-6b 12.5 kVAr, / 400 V 2 NC, 110 V DC 3-pole, Size S00 screw terminal |
Product brand name | SIRIUS |
Product designation | capacitor contactors |
Product type designation | 3RT26 |
General technical data |
Size of contactor | S00 |
Product extension | |
Auxiliary switch | No |
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 | 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 the contactor with added auxiliary switch block typical | 3 000 000 |
Electrical endurance (switching cycles) | 300 000 |
Reference code acc. to DIN EN 81346-2 | Q |
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 |
Main circuit |
Number of NO contacts for main contacts | 3 |
Number of NC contacts for main contacts | 0 |
Operating current | |
at AC-6b at 690 V at ambient temperature 60 °C rated value | 18 A |
Operational reactive power at AC-6b | |
at 230 V at 50/60 Hz at ambient temperature 60 °C rated value | 0 ... 7.2 kvar |
at 400 V at 50/60 Hz at ambient temperature 60 °C rated value | 0 ... 12.5 kvar |
at 500 V at 50/60 Hz at ambient temperature 60 °C rated value | 0 ... 15 kvar |
at 690 V at 50/60 Hz at ambient temperature 60 °C rated value | 0 ... 21 kvar |
No-load switching frequency | |
at DC | 500 1/h |
Operating frequency at AC-6b | |
at 230 V maximum | 180 1/h |
at 240 V maximum | 180 1/h |
at 400 V maximum | 180 1/h |
at 480 V maximum | 180 1/h |
at 500 V maximum | 180 1/h |
at 600 V maximum | 180 1/h |
at 690 V maximum | 180 1/h |
Control circuit/ Control |
Type of voltage | DC |
Type of voltage of the control supply voltage | DC |
Control supply voltage | |
at DC rated value | 110 V |
Operating range factor control supply voltage rated value of magnet coil at DC | |
initial value | 0.85 |
Full-scale value | 1.1 |
Closing power of magnet coil at DC | 4 W |
Holding power of magnet coil at DC | 4 W |
Closing delay | |
at DC | 30 ... 100 ms |
Arcing time | 10 ... 15 ms |
Auxiliary circuit |
Number of NC contacts for auxiliary contacts | 2 |
attachable | 0 |
instantaneous contact | 2 |
Number of NO contacts for auxiliary contacts | 0 |
attachable | 0 |
instantaneous contact | 0 |
Operating current of auxiliary contacts at AC-12 maximum | 10 A |
Operating current of auxiliary contacts at AC-15 | |
at 230 V | 6 A |
at 400 V | 3 A |
Operating 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: 40 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 |
Mounting type | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
Height | 125 mm |
Width | 45 mm |
Depth | 120 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 current circuit | screw-type terminals |
Type of connectable conductor cross-sections | |
for main contacts | |
— solid | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm² |
— stranded | 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 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 | 2x (20 ... 16), 2x (18 ... 14), 2x 12 |
Type of minimum connectable cross-section for main contacts at AC-6b | |
at 40 °C | 1x 4 mm², 2x 2.5 mm² |
at 60 °C | 2x 4 mm² |
AWG number as coded connectable conductor cross section for main contacts | 20 ... 12 |
Safety related data |
Product function | |
Mirror contact acc. to IEC 60947-4-1 | No |
positively driven operation acc. to IEC 60947-5-1 | No |
Protection against electrical shock | finger-safe |
Certificates/ approvals |