Contactors for Data Center PDU and UPS Systems: Selection Guide
AC-1 and AC-6a contactors for data center PDU and UPS systems: sizing, harmonic derating, coil selection, and endurance guidance for engineers. Shop at Stoklink.
- Part number
- 3RT2636-1AP03
- Model no
- 3RT26
In stock · 50+
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· From Türkiye
0
Siemens 3RT2636-1AP03 3RT2 72.2A 3P 400V Contactor
Description
About the 3RT26
About the 3RT26
The Siemens 3RT2636-1AP03 is a contactor from the SENTRON/SIRIUS 3RT2 series. Capacitor contactor, AC-6b 50 kVAr, / 400 V, 3-pole, 230 V AC, 50 Hz, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S2. Supplied by Stoklink for industrial and commercial low-voltage applications.
Certifications & Standards
- EN 50022
Applications & Use Cases
The Siemens 3RT2636-1AP03 is used in industrial control panels, distribution boards and automation systems. As part of the Siemens 3RT2 range it integrates with compatible SENTRON/SIRIUS components for a coordinated low-voltage installation. Genuine Siemens product supplied by Stoklink with fast dispatch from Türkiye.
Specification
Full specification
General 3
| product brand name | SIRIUS |
|---|---|
| product designation | capacitor contactors |
| product type designation | 3RT26 |
General technical data 16
| size of contactor | S2 |
|---|---|
| product extension auxiliary switch | Yes |
| power loss [W] for rated value of the current: at AC in hot operating state per pole | 4 W |
| power loss [W] for rated value of the current: without load current share typical | 6 W |
| type of calculation of power loss current-dependent | quadratic |
| insulation voltage: of main circuit with degree of pollution 3 rated value | 690 V |
| insulation voltage: of auxiliary circuit with degree of pollution 3 rated value | 690 V |
| surge voltage resistance: of main circuit rated value | 6 kV |
| surge voltage resistance: of auxiliary circuit rated value | 6 kV |
| maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1 | 400 V |
| shock resistance at rectangular impulse: at AC | 6.8 g / 5 ms, 4 g / 10 ms |
| shock resistance with sine pulse: at AC | 10.6 g / 5 ms, 6.2 g / 10 ms |
| mechanical service life (operating cycles): of the contactor with added auxiliary switch block typical | 3 000 000 |
| electrical endurance (operating cycles) | 200 000 |
| reference code according to IEC 81346-2 | Q |
| Substance Prohibitance (day/month/year) | 05/01/2014 |
Ambient conditions 5
| installation altitude at height above sea level maximum | 2 000 m |
|---|---|
| ambient temperature: during operation | -25 ... +60 °C |
| ambient temperature: during storage | -55 ... +80 °C |
| relative humidity minimum | 10 % |
| relative humidity at 55 °C according to IEC 60068-2-30 maximum | 95 % |
Show all 110 specifications ↓ Show less ↑86 more values in Identification, Main circuit, Control circuit/ Control, Auxiliary circuit, UL/CSA ratings, Short-circuit protection, Installation/ mounting/ dimensions, Connections/ Terminals, Safety related data, Electrical Safety, Approvals Certificates, Logistics.
Identification 10
| Part number | 3RT2636-1AP03 |
|---|---|
| Type designation | 3RT26 |
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 4011209953499 |
| ETIM class | EC001079 |
| eCl@ss | 27371006 |
Main circuit 16
| number of poles for main current circuit | 3 |
|---|---|
| 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 | 72.2 A |
| operating reactive power at AC-6b: at 230 V at 50/60 Hz at ambient temperature 60 °C rated value | 10 ... 29 kvar |
| operating reactive power at AC-6b: at 400 V at 50/60 Hz at ambient temperature 60 °C rated value | 17 ... 50 kvar |
| operating reactive power at AC-6b: at 500 V at 50/60 Hz at ambient temperature 60 °C rated value | 21 ... 63 kvar |
| operating reactive power at AC-6b: at 690 V at 50/60 Hz at ambient temperature 60 °C rated value | 29 ... 86 kvar |
| no-load switching frequency: at AC | 500 1/h |
| operating frequency at AC-6b: at 230 V maximum | 100 1/h |
| operating frequency at AC-6b: at 240 V maximum | 100 1/h |
| operating frequency at AC-6b: at 400 V maximum | 100 1/h |
| operating frequency at AC-6b: at 480 V maximum | 60 1/h |
| operating frequency at AC-6b: at 500 V maximum | 55 1/h |
| operating frequency at AC-6b: at 600 V maximum | 40 1/h |
| operating frequency at AC-6b: at 690 V maximum | 30 1/h |
Control circuit/ Control 13
| type of voltage | AC |
|---|---|
| type of voltage of the control supply voltage | AC |
| control supply voltage at AC: at 50 Hz rated value | 230 V |
| control supply voltage frequency: 1 rated value | 50 Hz |
| operating range factor control supply voltage rated value of magnet coil at AC: at 50 Hz | 0.8 ... 1.1 |
| apparent pick-up power of magnet coil at AC | 190 V·A |
| inductive power factor with closing power of the coil | 0.72 |
| apparent holding power of magnet coil at AC | 16 V·A |
| inductive power factor with the holding power of the coil | 0.37 |
| closing delay: at AC | 10 ... 80 ms |
| opening delay: at AC | 10 ... 18 ms |
| arcing time | 10 ... 20 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
Auxiliary circuit 14
| number of NC contacts for auxiliary contacts | 1 |
|---|---|
| attachable | 1 |
| instantaneous contact | 1 |
| number of NO contacts for auxiliary contacts | 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 |
| operational current of auxiliary contacts at AC-15: at 400 V | 3 A |
| operational current of auxiliary contacts at AC-15: at 690 V | 0 A |
| operational current of auxiliary contacts at DC-13: at 24 V | 6 A |
| operational current of auxiliary contacts at DC-13: at 60 V | 2 A |
| operational current of auxiliary contacts at DC-13: at 110 V | 1 A |
| operational current of auxiliary contacts at DC-13: at 125 V | 0.9 A |
| operational current of auxiliary contacts at DC-13: at 220 V | 0.3 A |
| contact reliability of auxiliary contacts | 0.00000001 |
UL/CSA ratings 1
| contact rating of auxiliary contacts according to UL | A600 / Q600 |
|---|
Short-circuit protection 2
| design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V | C characteristic: 10 A; 0.4 kA |
|---|---|
| design of the fuse link: for short-circuit protection of the main circuit with type of coordination 1 required | gG: 160 A (690 V, 50 kA) |
Installation/ mounting/ dimensions 7
| 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 DIN rail according to DIN EN 50022 |
| height | 114 mm |
| width | 65 mm |
| depth | 130 mm |
| required spacing: with side-by-side mounting at the side | 10 mm |
| required spacing: for grounded parts at the side | 10 mm |
Connections/ Terminals 11
| type of electrical connection: for main current circuit | screw-type terminals |
|---|---|
| type of electrical connection: for auxiliary and control circuit | screw-type terminals |
| type of electrical connection: at contactor for auxiliary contacts | Screw-type terminals |
| type of electrical connection: of magnet coil | screw terminal |
| type of connectable conductor cross-sections for main contacts: solid | 2x (1 ... 16 mm2) |
| for auxiliary contacts: solid | 2x (0.5 ... 1.5 mm2), 2x (0.75 ... 2.5 mm2), 2x 4 mm2 |
| for auxiliary contacts: solid or stranded | 2x (0.5 ... 1.5 mm2), 2x (0.75 ... 2.5 mm2), 2x 4 mm2 |
| for auxiliary contacts: finely stranded with core end processing | 2x (0.5 ... 1.5 mm2), 2x (0.75 ... 2.5 mm2) |
| for auxiliary contacts: for AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14), 2x 12 |
| type of minimum connectable cross-sections for main contacts at AC-6b: at 40 °C | 1x 35 mm2 |
| AWG number as coded connectable conductor cross section for main contacts | 18 ... 0 |
Electrical Safety 2
| 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 |
Approvals Certificates 1
| Environmental Product Declaration: global warming potential [CO2 eq] / during manufacturing | 2.47 kg |
|---|
Logistics 7
| Net weight | 1.005 kg |
|---|---|
| Package dimensions | 121 × 84 × 148 mm |
| Country of origin | DE |
| Shipping weight | 1.505 kg |
| Ships from | Türkiye |
| Dispatch | 13 Nov |
| Stock | In stock |
Source: manufacturer data · Last verified: 29 Oct 2026
Documents
Documents for 3RT2636-1AP03
No documents are on file for this part yet.
Ask us for the datasheet
Certifications
Certifications and standards
- EN 50022
Quick answers
Questions about the 3RT26
What is the rated current of 3RT26?
The rated current of 3RT26 is 72.2 A.
Which supply voltage is 3RT26 rated for?
The rated operational voltage of 3RT26 is 400 V AC.
What is the EAN of 3RT26?
The EAN (GTIN) of 3RT26 is 4011209953499.
Where does 3RT26 ship from, and how fast?
3RT26 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
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Series
Siemens Siemens 3RT2
- Brand
- Siemens
- Series
- Siemens 3RT2
