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.
| Motor power kW | Rated current In (A) | Part number | Stock | Price |
|---|---|---|---|---|
| 200 | 3RT1355-6AP36This part | Low stock | 2,869.77 SR | |
| 275 | 3RT1363-6AP36 | On request | 3,475.05 SR | |
| 350 | 3RT1364-6AP36 | Low stock | 5,212.63 SR | |
| 400 | 3RT1373-6AP36 | Low stock | 5,634.90 SR | |
| 500 | 3RT1374-6AP36 | Low stock | 6,762.08 SR |
The Siemens 3RT1355-6AP36 is a contactor from the SENTRON/SIRIUS 3RT1 series. Contactor, AC-1, 200 A/400 V/40 °C, S6, 4-pole, 100-250 V AC/DC, 2 NO+2 NC, Connection rail/ screw terminal. Supplied by Stoklink for industrial and commercial low-voltage applications.
The Siemens 3RT1355-6AP36 is used in industrial control panels, distribution boards and automation systems. As part of the Siemens 3RT1 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.
| product brand name | SIRIUS |
|---|---|
| product designation | Contactor |
| product type designation | 3RT13 |
| size of contactor | S6 |
|---|---|
| product extension: function module for communication | No |
| product extension: auxiliary switch | Yes |
| power loss [W] for rated value of the current: at AC in hot operating state | 54 W |
| power loss [W] for rated value of the current: without load current share typical | 3 W |
| type of calculation of power loss current-dependent | quadratic |
| insulation voltage: of main circuit with degree of pollution 3 rated value | 1 000 V |
| insulation voltage: of the auxiliary and control circuit with degree of pollution 3 rated value | 690 V |
| surge voltage resistance: of main circuit rated value | 8 kV |
| surge voltage resistance: of auxiliary circuit rated value | 6 kV |
| reference code according to IEC 81346-2 | Q |
| Substance Prohibitance (day/month/year) | 03/27/2017 |
| installation altitude at height above sea level maximum | 2 000 m |
|---|---|
| ambient temperature: during operation | -40 ... +60 °C |
| ambient temperature: during storage | -40 ... +70 °C |
| relative humidity minimum | 10 % |
| relative humidity at 55 °C according to IEC 60068-2-30 maximum | 95 % |
| Part number | 3RT1355-6AP36 |
|---|---|
| Type designation | 3RT13 |
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 4047621048727 |
| ETIM class | EC000066 |
| eCl@ss | 27371003 |
| number of poles for main current circuit | 4 |
|---|---|
| number of NO contacts for main contacts | 4 |
| type of voltage for main current circuit | AC |
| operational current: at AC-1 at 400 V at ambient temperature 40 °C rated value | 200 A |
| at AC-1: up to 690 V at ambient temperature 40 °C rated value | 200 A |
| at AC-1: up to 690 V at ambient temperature 60 °C rated value | 175 A |
| at AC-3: at 400 V rated value | 140 A |
| minimum cross-section in main circuit at maximum AC-1 rated value | 95 mm2 |
| operating power: at AC-3 at 400 V rated value | 75 kW |
| no-load switching frequency: at AC | 300 1/h |
| no-load switching frequency: at DC | 300 1/h |
| type of voltage | AC |
|---|---|
| type of voltage of the control supply voltage | AC/DC |
| control supply voltage at AC: at 50 Hz rated value | 100 ... 250 V |
| control supply voltage at AC: at 60 Hz rated value | 100 ... 250 V |
| control supply voltage at DC rated value | 100 ... 250 V |
| operating range factor control supply voltage rated value of magnet coil at DC: initial value | 0.8 |
| design of the surge suppressor | with varistor |
| apparent pick-up power of magnet coil at AC: at 50 Hz | 130 V·A |
| apparent pick-up power of magnet coil at AC: at 60 Hz | 130 V·A |
| apparent holding power of magnet coil at AC: at 50 Hz | 6 V·A |
| apparent holding power of magnet coil at AC: at 60 Hz | 6 V·A |
| closing power of magnet coil at DC | 135 W |
| holding power of magnet coil at DC | 3 W |
| closing delay: at AC | 20 ... 55 ms |
| closing delay: at DC | 20 ... 55 ms |
| opening delay: at AC | 40 ... 70 ms |
| opening delay: at DC | 40 ... 70 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
| number of NC contacts for auxiliary contacts | 2 |
|---|---|
| attachable | 2 |
| instantaneous contact | 2 |
| number of NO contacts for auxiliary contacts | 2 |
| operational current at AC-15: at 230 V rated value | 4 A |
| operational current at AC-15: at 400 V rated value | 3 A |
| operational current at AC-15: at 500 V rated value | 2 A |
| operational current at AC-15: at 690 V rated value | 2 A |
| operational current at DC-13: at 24 V rated value | 3 A |
| operational current at DC-13: at 48 V rated value | 1.5 A |
| operational current at DC-13: at 110 V rated value | 0.55 A |
| operational current at DC-13: at 125 V rated value | 0.55 A |
| operational current at DC-13: at 220 V rated value | 0.3 A |
| contact rating of auxiliary contacts according to UL | A600 / Q300 |
|---|
| for short-circuit protection of the main circuit: with type of coordination 2 required | gG: 250 A (500 V, 100 kA) |
|---|---|
| for short-circuit protection of the main circuit: for short-circuit protection of the auxiliary switch required | gG: 10 A (690 V, 1 kA) |
| mounting position | For vertical mounting surface can be rotated +/-180°, and with 0° rotation can be tilted forward or backward +/- 30°, or standing |
|---|---|
| fastening method side-by-side mounting | Yes |
| fastening method | screw fixing |
| height | 150 mm |
| width | 120 mm |
| depth | 128 mm |
| with side-by-side mounting: forwards | 20 mm |
| with side-by-side mounting: upwards | 10 mm |
| with side-by-side mounting: downwards | 10 mm |
| with side-by-side mounting: at the side | 0 mm |
| for grounded parts: forwards | 20 mm |
| for grounded parts: upwards | 10 mm |
| for grounded parts: at the side | 10 mm |
| for grounded parts: downwards | 10 mm |
| for live parts: forwards | 20 mm |
| for live parts: upwards | 10 mm |
| for live parts: downwards | 10 mm |
| for live parts: at the side | 10 mm |
| type of electrical connection: for main current circuit | Connection bar |
|---|---|
| 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 |
| connectable conductor cross-section for auxiliary contacts: solid or stranded | 1 ... 4 mm2 |
| connectable conductor cross-section for auxiliary contacts: finely stranded with core end processing | 0.75 ... 2.5 mm2 |
| for auxiliary contacts: solid | 1x (1 ... 4mm2), 2x (1 ... 4mm2) |
| for auxiliary contacts: solid or stranded | 1x (1 ... 4mm2), 2x (1 ... 4mm2) |
| for auxiliary contacts: finely stranded with core end processing | 1x (0.75 ... 2.5 mm2), 2x (0.75 ... 2.5 mm2) |
| for auxiliary contacts: for AWG cables for auxiliary contacts | 1x (AWG 18 ... 14), 2x (AWG 18 ... 14) |
| AWG number as coded connectable conductor cross section for auxiliary contacts | 18 ... 14 |
| protection class IP on the front according to IEC 60529 | IP00; IP20 with box terminal/cover |
|---|---|
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front with box terminal/cover |
| Net weight | 1.893 kg |
|---|---|
| Package dimensions | 200 × 148 × 175 mm |
| Country of origin | Sweden |
| Shipping weight | 2.393 kg |
| Ships from | Türkiye |
| Dispatch | 16 Nov |
| Stock | Low stock |
Source: manufacturer data · Last verified: 29 Oct 2026
No documents are on file for this part yet.
Ask us for the datasheet| Motor power | Rated current | Part number | Model no | Stock | Dispatch | Price | Add to cart |
|---|---|---|---|---|---|---|---|
| 200 A | 3RT1355-6AP36 This part | 3RT1 | Low stock | 2,869.77 SR | |||
| 275 A | 3RT1363-6AP36 | 3RT1 | On request | — | 3,475.05 SR | Quote | |
| 350 A | 3RT1364-6AP36 | 3RT1 | Low stock | 5,212.63 SR | |||
| 400 A | 3RT1373-6AP36 | 3RT1 | Low stock | 5,634.90 SR | |||
| 500 A | 3RT1374-6AP36 | 3RT1 | Low stock | 6,762.08 SR | |||
| 525 A | 3RT1375-6AP36 | 3RT1 | In stock | 7,466.45 SR |
The rated current of 3RT13 is 200 A.
The rated operational voltage of 3RT13 is 400 V AC.
The EAN (GTIN) of 3RT13 is 4047621048727.
3RT13 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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