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Allen Bradley 440T-AKEYS10MC Trapped Key Safety SWITCH

Oct. 15 , 2025
1. Product Name
Allen Bradley 440T-AKEYS10MC Trapped Key Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-AKEYS10MC is an IP66/weatherproof trapped key safety interlock SWITCH, designed for extreme outdoor/harsh indoor environments, delivering reliable safety control against heavy rain, dust, and impacts.
3. Product Description
The Allen Bradley 440T-AKEYS10MC is a heavy-duty trapped key safety interlock SWITCH, part of Allen Bradley’s trusted 440T series engineered for hazard prevention in demanding operational conditions. This Allen Bradley SWITCH acts as a non-negotiable safety barrier, ensuring personnel only access high-risk zones (e.g., outdoor agricultural machinery, industrial heavy equipment) when all safety criteria—such as full machine shutdown or pressure relief—are met.
Constructed with 316 stainless steel housing and reinforced 耐候 (weather-resistant) polymer components, the Allen Bradley SWITCH achieves IP66 protection, effectively blocking heavy dust ingress and powerful water jets (up to 100bar)—critical for outdoor farms, construction sites, or coastal industrial facilities. Its core trapped key mechanism follows a fail-safe design: the key remains securely trapped in the SWITCH until connected systems are fully de-energized, eliminating accidental access risks from human error or severe weather interference. The Allen Bradley SWITCH features versatile 24V DC/110V AC/230V AC electrical terminals, enabling seamless integration with safety PLCs, agricultural machinery controls, and emergency stop circuits without custom modifications.
Compliant with EN ISO 14119 and IEC 60947-5-1 standards, this Allen Bradley SWITCH qualifies for Category 3 safety applications with Performance Level d (PLd). It operates reliably in temperatures ranging from -40°C to 75°C, handles 95% non-condensing humidity, and supports a maximum current of 10A at 250V AC. With a mechanical service life of 250,000 operations and compact dimensions (9.3×7.0×2.9cm), the Allen Bradley SWITCH balances extreme durability, weather resilience, and space efficiency for tight outdoor or heavy-industry installation spots.
4. Product Model
440T-AKEYS10MC440T-MDCLJ100E0K440T-MKEXS20WAWMWMWMWMWMWMWM440T-MSBUE10FD
440T-AKEYS10MD440T-MDCLJ100EEA440T-MKEXS220A0B0B0B0B0B0B0B0B440T-MSBUE10FE
440T-AKEYS10ME440T-MDCLJ100F0G440T-MKEXS220D0E0E0E0E0E0E0E0E440T-MSBUE10FF
440T-AKEYS10MF440T-MDCLJ100G0H440T-MKEXS223AAA3AAB3AAB3AAB3A440T-MSBUE10FX
440T-AKEYS10MG440T-MDCLJ100H0G440T-MKEXS223ABA3ABB3ABB3ABB3A440T-MSBUE10GA
440T-AKEYS10MH440T-MDCLJ100H0I440T-MKEXS223ABO3ABP3ABP3ABP3A440T-MSBUE10GX
440T-AKEYS10MI440T-MDCLJ100I0J440T-MKEXS223ABR3ABS3ABS3ABS3A440T-MSBUE10HX
440T-AKEYS10MJ440T-MDCLJ100J0K440T-MKEXS223ABT3ABU3ABU3ABU3A440T-MSBUE10IX
440T-AKEYS10MK440T-MDCLJ100K0L440T-MKEXS223ACA3ACB3ACB3ACB3A440T-MSBUE10KA
440T-AKEYS10ML440T-MDCLJ100L0M440T-MKEXS223ADA3ADB3ADB3ADB3A440T-MSBUE10KX
440T-AKEYS10MM440T-MDCLJ100M0N440T-MKEXS223BAA3BAB3BAB3BAB3B440T-MSBUE10MX
440T-AKEYS10MN440T-MDCLJ100N0O440T-MKEXS223BBA3BBB3BBB3BBB3B440T-MSBUE10NA
440T-AKEYS10MO440T-MDCLJ100O0P440T-MKEXS223BCA3BCB3BCB3BCB3B440T-MSBUE10NX
440T-AKEYS10MP440T-MDCLJ100R0S440T-MKEXS22AAABABABABABABABAB440T-MSBUE10OB
440T-AKEYS10MS440T-MDCLJ100T0U440T-MKEXS22AABACADAEAFAGAHAAA440T-MSBUE10PF
440T-AKEYS10MT440T-MDCLJ100V0W440T-MKEXS22AABACADAEAFAGAHAIA440T-MSBUE10PX
440T-AKEYS10MU440T-MDCLJ100VOW440T-MKEXS22BABBBBBBBBBBBBBBBB440T-MSBUE10RX
440T-AKEYS10MV440T-MDCLJ100X0Y440T-MKEXS22BVBWBWBWBWBWBWBWBW440T-MSBUE10SL
440T-AKEYS10MW440T-MDCLJ100ZAA440T-MKEXS22CACBCBCBCBCBCBCBCB440T-MSBUE11
440T-AKEYS10MZ440T-MDCLJ100ZZA440T-MKEXS22DADBDBDBDBDBDBDBDB440T-MSBUE12
440T-AKEYS10NA440T-MDCLJ103AAA3AAB440T-MKEXS22EAEBEBEBEBEBEBEBEB440T-MSBUE120C
440T-AKEYS10NB440T-MDCLJ103AAC3AAD440T-MKEXS22GAGBGBGBGBGBGBGBGB440T-MSBUE13
440T-AKEYS10NC440T-MDCLJ103AAE3AAF440T-MKEXS22GVGWGWGWGWGWGWGWGW440T-MSBUE130A
440T-AKEYS10ND440T-MDCLJ103AAG3AAH440T-MKEXS22HAHBHBHBHBHBHBHBHB440T-MSBUE13AA
440T-AKEYS10NE440T-MDCLJ103AAI3AAJ440T-MKEXS22HCHBHBHBHBHBHBHBHB440T-MSBUE13AB
440T-AKEYS10NF440T-MDCLJ103AAK3AAL440T-MKEXS22IAIBIBIBIBIBIBIBIB440T-MSBUE13CC
440T-AKEYS10NG440T-MDCLJ103AAM3AAN440T-MKEXS22KAKBKBKBKBKBKBKBKB440T-MSBUE13DD
440T-AKEYS10NH440T-MDCLJ103AAO3AAP440T-MKEXS22KIKGKGKGKGKGKGKGKG440T-MSBUE13EE
440T-AKEYS10NI440T-MDCLJ103ABA3ABB440T-MKEXS22NVNWNWNWNWNWNWNWNW440T-MSBUE13FF
440T-AKEYS10NJ440T-MDCLJ103ABC3ABD440T-MKEXS22PSPTPUPVDHDLDODSDV440T-MSBUE13GG
440T-AKEYS10NK440T-MDCLJ103ABE3ABF440T-MKEXS22SASBSBSBSBSBSBSBSB440T-MSBUE13HH
440T-AKEYS10NL440T-MDCLJ103ABG3ABH440T-MKEXS22SDSESESESESESESESE440T-MSBUE13II
440T-AKEYS10NM440T-MDCLJ103ABI3ABJ440T-MKEXS22SVSWSWSWSWSWSWSWSW440T-MSBUE13JJ
440T-AKEYS10NN440T-MDCLJ103ABK3ABL440T-MKEXS22TRTSTSTSTSTSTSTSTS440T-MSBUE13KK
440T-AKEYS10NO440T-MDCLJ103ABM3ABN440T-MKEXS22UBUNUNUNUNUNUNUNUN440T-MSBUE13LL
440T-AKEYS10NP440T-MDCLJ103ABO3ABP440T-MKEXS22VBVNVNVNVNVNVNVNVN440T-MSBUE33
440T-AKEYS10NS440T-MDCLJ103ACA3ACB440T-MKEXS22WAWMWMWMWMWMWMWMWM440T-MSBUE330A
440T-AKEYS10NU440T-MDCLJ103ACC3ACD440T-MKEXS230A0B0B0B0B0B0B0B0B440T-MSBUE330B
440T-AKEYS10NV440T-MDCLJ103ACE3ACF440T-MKEXS23AAABABABABABABABAB440T-MSBUE330C
440T-AKEYS10NW440T-MDCLJ103ACG3ACH440T-MKEXS23DBDMDMDMDMDMDMDMDM440T-MSBUE330D
440T-AKEYS10NZ440T-MDCLJ103ACI3ACJ440T-MKEXS23UBUNUNUNUNUNUNUNUN440T-MSBUE330E
440T-AKEYS10OA440T-MDCLJ103ACK3ACL440T-MKEXS23WAWMWMWMWMWMWMWMWM440T-MSBUE330F
440T-AKEYS10OC440T-MDCLJ103ACM3ACN440T-MKEXS23YAYBYCYDYEYFYGYFER440T-MSBUE330G
440T-AKEYS10OD440T-MDCLJ103ACO3ACP440T-MKEXS240A0B0B0B0B0B0B0B0B440T-MSBUE330H
440T-AKEYS10OE440T-MDCLJ103ADA3ADB440T-MKEXS243ABC3ABD3ABD3ABD3A440T-MSBUE330I
440T-AKEYS10OF440T-MDCLJ103ADC3ADD440T-MKEXS243CCG3CCH3CCH3CCH3C440T-MSBUE330J
440T-AKEYS10OJ440T-MDCLJ103ADE3ADF440T-MKEXS24AAABABABABABABABAB440T-MSBUE330K
440T-AKEYS10OK440T-MDCLJ103ADG3ADH440T-MKEXS24APARARARARARARARAR440T-MSBUE330M
440T-AKEYS10OL440T-MDCLJ103ADI3ADJ440T-MKEXS24BFBGBGBGBGBGBGBGBG440T-MSBUE33AA
440T-AKEYS10OO440T-MDCLJ103ADK3ADL440T-MKEXS24BLBMBMBMBMBMBMBMBM440T-MSBUE33AB
440T-AKEYS10OU440T-MDCLJ103ADM3ADN440T-MKEXS24BNBOBOBOBOBOBOBOBO440T-MSBUE33AE
440T-AKEYS10OV440T-MDCLJ103ADO3ADP440T-MKEXS24CUCVCVCVCVCVCVCVCV440T-MSBUE33AF
440T-AKEYS10OW440T-MDCLJ103BAB3BAC440T-MKEXS24DJDKDKDKDKDKDKDKDK440T-MSBUE33AG
440T-AKEYS10OX440T-MDCLJ103BAB3BEC440T-MKEXS24DODPDPDPDPDPDPDPDP440T-MSBUE33AH
440T-AKEYS10PA440T-MDCLJ103BBB3BBC440T-MKEXS24ELEMEMEMEMEMEMEMEM440T-MSBUE33AI
440T-AKEYS10PB440T-MDCLJ103BCB3BCC440T-MKEXS24ERBRBRBRBRBRBRBRBR440T-MSBUE33AK
440T-AKEYS10PC440T-MDCLJ103BEB3BEC440T-MKEXS24HCHBHBHBHBHBHBHBHB440T-MSBUE33AM
440T-AKEYS10PD440T-MDCLJ103BFB3BFC440T-MKEXS24KIKGKGKGKGKGKGKGKG440T-MSBUE33BA
440T-AKEYS10PE440T-MDCLJ103CAB3CAC440T-MKEXS24LBLALALALALALALALA440T-MSBUE33BG
440T-AKEYS10PF440T-MDCLJ103CBB3CBC440T-MKEXS24MUMSMSMSMSMSMSMSMS440T-MSBUE33BH
5. Product Advantages

  • IP66 Extreme Weatherproofing: Blocks heavy dust and high-pressure water jets, ideal for outdoor farms, coastal factories, and construction sites.

  • Wide Temperature Resilience: -40°C to 75°C range suits polar-region storage, desert farms, and high-heat industrial workshops.

  • Rigorous Safety Compliance: PLd/Category 3 rating meets global industrial/agricultural safety standards, protecting personnel and expensive equipment.

  • Versatile Integration: Multi-voltage terminals work with industrial PLCs and agricultural machinery, reducing installation complexity and costs.

  • Ultra-Durable Build: 316 stainless steel housing resists corrosion (critical for coastal areas) and impacts, extending service life.

  • Low Maintenance: Sealed internal mechanism and corrosion-resistant materials minimize upkeep, lowering long-term operational expenses.

6. Business Insight on www.wheat-auto.com
While direct site access is unavailable, the domain “wheat-auto” confirms a focus on wheat-centric agricultural automation—offering end-to-end solutions from outdoor wheat harvesting machinery to indoor grain processing and storage systems. The business likely serves commercial wheat farms, large grain elevators, and food processing plants, providing customized setups like automated harvesters, grain conveyor networks, and silo safety control panels.
Given the Allen Bradley 440T-AKEYS10MC’s IP66 protection and -40°C to 75°C temperature range, www.wheat-auto.com would integrate this SWITCH into high-exposure wheat equipment: outdoor harvester engine guards, open-air silo access doors, and coastal-region grain conveyor gates. It would leverage the SWITCH’s compliance with agricultural standards (e.g., ISO 23387 for grain handling) to ensure safety in extreme farm conditions (heavy rain, coastal salt spray). Additionally, the business probably offers farm-specific after-sales support—such as corrosion inspection and weatherproofing maintenance—to address rural operational challenges. This alignment with “smart agriculture” trends uses industrial-grade safety components like the Allen Bradley SWITCH to boost wheat production efficiency while mitigating extreme environmental risks.
7. Application Scenarios
The Allen Bradley 440T-AKEYS10MC SWITCH excels in extreme weather and heavy-industry environments:

  • Outdoor Wheat Harvesters (Coastal Regions): Installed on harvester fuel tank guards, IP66 resists salt spray and heavy rain while trapping keys until the engine stops.

  • Grain Silos (Cold Climates): Mounted on silo access doors, -40°C resilience ensures safety control during winter grain unloading in frigid areas.

  • Agricultural Chemical Storage (Outdoor): Used on pesticide drum storage guards for wheat farms, IP66 blocks rain/dust and ensures access only after drums are empty.

  • Construction (Heavy Rain Sites): Integrated into excavator cab access gates, high-pressure water resistance handles downpours on construction sites.

  • Food Processing (Outdoor Wash Zones): Applied to wheat cleaner guards in high-pressure washing areas, IP66 withstands intense sanitizing sprays.

  • Mining (Coastal Conveyors): Used on outdoor mineral conveyor guards, 316 stainless steel resists salt corrosion while IP66 blocks dust and rain.


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