{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1056-6PP35-0SW0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1056-6PP35-0SW0","canonicalUrl":"https://aoctrl.com/siemens/3RT1056-6PP35-0SW0","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1056-6PP35-0SW0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1056-6PP35-0SW0 power contactor, size S6, 132 kW at 500 V AC-3, screw fixing, screw-type coil terminals, 172 x 170 x 140 mm.","salesMarkdown":"## S6 frame, 132 kW at 500 V — the panel fit and the load it carries The 3RT1056-6PP35-0SW0: This is a Siemens SIRIUS power contactor in the S6 frame size, rated for motor switching at 132 kW at 500 V in AC-3 duty — the standard category for squirrel-cage motor starting under load. The 172 mm height, 170 mm depth, and 140 mm width define the panel footprint; screw fixing through 9 mm diameter holes secures it to the backplate. The coil operates on 200–277 V AC at 50/60 Hz with a pick-up threshold of 0.8 × rated voltage and a drop-out ceiling of 1.1 × rated voltage. Coil connections are screw-type terminals, matching the main power circuit termination style. ## Duty-cycle limits and switching capacity across the voltage range Maximum operating rates vary by duty: 800 cycles/hour in AC-1 (resistive), 750 cycles/hour in AC-3 and AC-3e (motor starting), 300 cycles/hour in AC-2 (slip-ring motor), and 130 cycles/hour in AC-4 (plugging/inching). The mechanical endurance is 10 million cycles typical, so the limiting factor in a high-duty application is the electrical life under the specific load current. Switching capacity is specified across multiple voltages: 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, and 2 A at 60 V — these figures govern auxiliary contact or control-circuit switching, not the main motor path. The main poles carry the 132 kW motor rating at 500 V. ## Clearance, conductor sizing, and environmental limits Minimum clearances to adjacent metalwork: 10 mm upwards, downwards, and to the side; 20 mm forwards. These distances matter when packing multiple contactors in a row — the arc-chamber venting needs that gap to avoid flashover between units. The main circuit terminals accept solid or stranded conductors: two conductors per clamp in the ranges 0.5–1.5 mm², 0.75–2.5 mm², and up to 4 mm² for the larger pair. Operating temperature range is -25 to +60 °C; storage range is -55 to +80 °C. Coil pick-up time is 80–90 ms for both AC and DC control supplies; arcing time is 10–15 ms. These timing figures matter for coordination with upstream short-circuit protection devices and for sequencing multiple contactors in a motor control centre.","metaTitle":"Siemens 3RT1056-6PP35-0SW0 SIRIUS Power Contactor, S6","metaDescription":"Siemens 3RT1056-6PP35-0SW0 SIRIUS power contactor, size S6, rated 132 kW at 500 V AC-3. Screw fixing, screw-type coil terminals. Current production lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"170 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"140 mm","at AC":"80 ... 90 ms","at DC":"80 ... 90 ms","title":"3RT1056-6PP35-0SW0","Height":"172 mm","Upwards":"10 mm","Forwards":"20 mm","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.8 ... 1.1","Downwards":"10 mm","Arcing Time":"10 ... 15 ms","At The Side":"10 mm","Rated Value":"200 ... 277 V","description":"Power contactor, AC-3 185 A, 90 kW / 400 V AC (50-60 Hz) / DC operation 200-277 V UC Auxiliary contacts 1 NO + 1 NC 3-pole, Size S6 Busbar connections with RLT signal","Initial Value":"0.8","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-type terminals","Number Of Holes":"1","at AC-1 maximum":"800 1/h","at AC-2 maximum":"300 1/h","at AC-3 maximum":"750 1/h","at AC-4 maximum":"130 1/h","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw fixing","Full-Scale Value":"1.1","at AC-3e maximum":"750 1/h","Diameter Of Holes":"9 mm","Size Of Contactor":"S6","Product Brand Name":"SIRIUS","Product Designation":"Power contactor","at 24 V rated value":"10 A","at 60 V rated value":"2 A","Of Contactor Typical":"10 000 000","at 110 V rated value":"1 A","at 220 V rated value":"0.3 A","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 50 Hz rated value":"200 ... 277 V","at 500 V rated value":"132 kW","at 60 Hz rated value":"200 ... 277 V","at 690 V rated value":"65 kW","Side-By-Side Mounting":"Yes","at 1000 V rated value":"90 kW","Width Of Connection Bar":"17 mm","For Main Current Circuit":"Connection bar","Relative Humidity Minimum":"10 %","Thickness Of Connection Bar":"3 mm","at AC-3 rated value maximum":"1 000 V","at AC in hot operating state":"39 W","at AC-3e rated value maximum":"1 000 V","at AC-4 at 400 V rated value":"160 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"05/01/2012","Design Of The Surge Suppressor":"with varistor","at AC-5a up to 690 V rated value":"189 A","at AC-5b up to 400 V rated value":"153 A","For Auxiliary And Control Circuit":"screw-type terminals","With Type Of Assignment 2 Required":"gG: 315 A (690 V, 100 kA), aM: 200 A (690 V, 50 kA), BS88: 315 A (415 V, 50 kA)","Without Load Current Share Typical":"2.8 W","closing power of magnet coil at DC":"320 W","holding power of magnet coil at DC":"2.8 W","At Contactor For Auxiliary Contacts":"Screw-type terminals","With Type Of Coordination 1 Required":"gG: 355 A (690 V, 100 kA)","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"13 W","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number Of Poles For Main Current Circuit":"3","voltage at PLC-control input rated value":"24 V","Type Of Voltage Of The Control Supply Voltage":"AC/DC","Limited To 1 S Switching At Zero Current Maximum":"2 900 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"2 084 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"1 480 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"968 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"801 A; Use minimum cross-section acc. to AC-1 rated value","type of PLC-control input according to IEC 60947-1":"Type 2","contact rating of auxiliary contacts according to UL":"A600 / Q600","Of Main Circuit With Degree Of Pollution 3 Rated Value":"1 000 V","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","operating range factor of the voltage at PLC-control input":"0.8 ... 1.1","Of Auxiliary Circuit With Degree Of Pollution 3 Rated Value":"500 V","For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (500 V, 1 kA)","for short-circuit protection of the RLT relay output required":"miniature fuse: 4 A FF (230 V, Ik= 400 A)","minimum cross-section in main circuit at maximum AC-1 rated value":"95 mm²","number of NC contacts for auxiliary contacts instantaneous contact":"1","number of NO contacts for auxiliary contacts instantaneous contact":"1","Of The Contactor With Added Electronically Optimized Auxiliary Switch Block Typical":"5 000 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/48191814343ef1de12d436857500061f.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=520857&mlfb=3RT1056-6PP35-0SW0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1056-6PP35-0SW0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RT1056-6PP35-0SW0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}