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Allen Bradley 440T-MDALE100DDN IP66 Industrial Safety SWITCH

Oct. 20 , 2025
1. Product Name
Allen Bradley 440T-MDALE100DDN IP66 Industrial Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-MDALE100DDN is an IP66-rated industrial safety interlock SWITCH, engineered for harsh wheat agricultural and heavy-industrial environments, resisting dust, high-pressure water, and impacts for reliable hazard control.
3. Product Description
The Allen Bradley 440T-MDALE100DDN is a rugged industrial safety interlock SWITCH, part of Allen Bradley’s 440T series tailored to address safety challenges in wheat agriculture (e.g., outdoor grain handling) and heavy industry (e.g., mining, chemical processing). This Allen Bradley SWITCH serves as a critical access barrier: it connects wheat harvester guards, silo doors, and industrial equipment panels, ensuring personnel only enter hazardous zones when machinery is fully de-energized—preventing injuries from moving parts or grain spills.
Constructed with reinforced glass-fiber polymer housing and stainless steel internal components, the Allen Bradley SWITCH achieves IP66 protection, blocking fine grain dust, high-pressure water jets (up to 100bar), and light impacts—essential for wheat farms’ outdoor yards and industrial washdown areas. Its fail-safe interlock mechanism remains engaged until connected systems power off, eliminating accidental access from operational errors. All materials comply with FDA 21 CFR Part 177 food-grade standards, avoiding wheat grain or flour contamination during processing. This Allen Bradley SWITCH supports 24V DC/230V AC dual voltage, enabling seamless integration with wheat agri’s sensor systems (e.g., grain level detectors) and industrial PLCs.
Compliant with EN ISO 14119 and IEC 60947-5-1, this Allen Bradley SWITCH qualifies for Category 3 safety applications with Performance Level d (PLd). It operates reliably in -30°C to 70°C temperatures, handles 95% non-condensing humidity, and supports 10A current at 250V AC. With a 250,000-operation mechanical life and compact dimensions (9.1×6.8×2.9cm), it balances durability, weather resistance, and space efficiency for tight installation spots.
4. Product Model
440T-MDALE100DDN440T-MDSUE11ADBD440T-MRKSS110A440T-MSRUE33HA
440T-MDALE100DDO440T-MDSUE11ADDA440T-MRKSS110B440T-MSRUE33HB
440T-MDALE100DFD440T-MDSUE11AEAF440T-MRKSS110C440T-MSRUE33HH
440T-MDALE100DOI440T-MDSUE11AEBC440T-MRKSS110D440T-MSRUE33IA
440T-MDALE100DOJ440T-MDSUE11AEBD440T-MRKSS110H440T-MSRUE33IB
440T-MDALE100DZD440T-MDSUE11AEBE440T-MRKSS110J440T-MSRUE33II
440T-MDALE100E0A440T-MDSUE11AEEA440T-MRKSS110K440T-MSRUE33JA
440T-MDALE100E0B440T-MDSUE11AFBF440T-MRKSS110S440T-MSRUE33JJ
440T-MDALE100E0C440T-MDSUE11AGAH440T-MRKSS110Y440T-MSRUE33KA
440T-MDALE100E0D440T-MDSUE11AGBG440T-MRKSS113ABA440T-MSRUE33KD
440T-MDALE100E0F440T-MDSUE11AHBH440T-MRKSS113ABE440T-MSRUE33KK
440T-MDALE100E0G440T-MDSUE11AIAJ440T-MRKSS113ABF440T-MSRUE33LA
440T-MDALE100E0H440T-MDSUE11AIBI440T-MRKSS113ABH440T-MSRUE33LL
440T-MDALE100E0I440T-MDSUE11AJBJ440T-MRKSS113ABK440T-MSRUE33MA
440T-MDALE100E0J440T-MDSUE11AKAL440T-MRKSS113ABL440T-MSRUE33MM
440T-MDALE100E0K440T-MDSUE11AKBK440T-MRKSS113ABR440T-MSRUE33NA
440T-MDALE100E0L440T-MDSUE11ANBN440T-MRKSS113ABT440T-MSRUE33NB
440T-MDALE100E0N440T-MDSUE11AZBZ440T-MRKSS113ABV440T-MSRUE33NC
440T-MDALE100E0P440T-MDSUE11BABB440T-MRKSS113ABX440T-MSRUE33ND
440T-MDALE100E0W440T-MDSUE11BABE440T-MRKSS113ACY440T-MSRUE33NN
440T-MDALE100E0Y440T-MDSUE11BABU440T-MRKSS113BFA440T-MSRUE33OA
440T-MDALE100EAE440T-MDSUE11BABV440T-MRKSS113BFD440T-MSRUE33PA
440T-MDALE100EAF440T-MDSUE11BABX440T-MRKSS113BFG440T-MSRUE33PR
440T-MDALE100EEA440T-MDSUE11BACA440T-MRKSS113BFJ440T-MSRUE33RA
440T-MDALE100EEB440T-MDSUE11BACB440T-MRKSS113BFM440T-MSRUE33RD
440T-MDALE100EEE440T-MDSUE11BADA440T-MRKSS113BFP440T-MSRUE33SA
440T-MDALE100EFE440T-MDSUE11BAEA440T-MRKSS113BFT440T-MSRUE33SB
440T-MDALE100EOF440T-MDSUE11BAFA440T-MRKSS113BFU440T-MSRUE33TA
440T-MDALE100EOJ440T-MDSUE11BAGA440T-MRKSS113CBP440T-MSRUE33TC
440T-MDALE100EZE440T-MDSUE11BAZB440T-MRKSS113CBT440T-MSRUE33TF
440T-MDALE100F0B440T-MDSUE11BBBC440T-MRKSS113CBW440T-MSRUE33TI
440T-MDALE100F0E440T-MDSUE11BBBF440T-MRKSS113CBZ440T-MSRUE33TL
440T-MDALE100F0G440T-MDSUE11BBBW440T-MRKSS113CCC440T-MSRUE33UA
440T-MDALE100F0H440T-MDSUE11BBBX440T-MRKSS113CCD440T-MSRUE33UD
440T-MDALE100F0I440T-MDSUE11BBBY440T-MRKSS11AA440T-MSRUE33VA
440T-MDALE100F0J440T-MDSUE11BCBD440T-MRKSS11AB440T-MSRUE33VW
440T-MDALE100F0K440T-MDSUE11BCBG440T-MRKSS11AC440T-MSRUE33WA
440T-MDALE100F0L440T-MDSUE11BCBT440T-MRKSS11AD440T-MSRUE33XA
440T-MDALE100F0M440T-MDSUE11BCBZ440T-MRKSS11AF440T-MSRUE33XD
440T-MDALE100F0R440T-MDSUE11BDBH440T-MRKSS11AG440T-MSRUE33YA
440T-MDALE100FAD440T-MDSUE11BEBF440T-MRKSS11AK440T-MSRUE33ZA
440T-MDALE100FAE440T-MDSUE11BGBH440T-MRKSS11AL440T-MSRUE34
440T-MDALE100FAF440T-MDSUE11BIBJ440T-MRKSS11AM440T-MSRUE340A
440T-MDALE100FFA440T-MDSUE11BKBL440T-MRKSS11AR440T-MSRUE340B
440T-MDALE100FFB440T-MDSUE11CACB440T-MRKSS11BA440T-MSRUE340C
440T-MDALE100FFF440T-MDSUE11CACX440T-MRKSS11BB440T-MSRUE340D
440T-MDALE100FOH440T-MDSUE11CACY440T-MRKSS11BC440T-MSRUE340E
440T-MDALE100FOK440T-MDSUE11CAZC440T-MRKSS11BD440T-MSRUE340F
440T-MDALE100FPF440T-MDSUE11CBCW440T-MRKSS11BF440T-MSRUE340G
440T-MDALE100FZF440T-MDSUE11CBCZ440T-MRKSS11BG440T-MSRUE340H
440T-MDALE100G0B440T-MDSUE11CCCU440T-MRKSS11BR440T-MSRUE340I
440T-MDALE100G0F440T-MDSUE11DACB440T-MRKSS11CA440T-MSRUE340J
440T-MDALE100G0H440T-MDSUE11DACC440T-MRKSS11CB440T-MSRUE340K
440T-MDALE100G0I440T-MDSUE11DADB440T-MRKSS11CC440T-MSRUE340L
440T-MDALE100G0J440T-MDSUE11DAZD440T-MRKSS11CM440T-MSRUE340M
440T-MDALE100G0K440T-MDSUE11EAZE440T-MRKSS11CN440T-MSRUE340N
440T-MDALE100G0L440T-MDSUE11EBEC440T-MRKSS11CP440T-MSRUE340O
440T-MDALE100G0N440T-MDSUE11EBED440T-MRKSS11CX440T-MSRUE340P
5. Product Advantages

  • IP66 Robust Protection: Blocks dust and high-pressure water, ideal for wheat farm washdowns and outdoor industrial sites.

  • Wide Temperature Resilience: -30°C to 70°C range suits winter wheat storage and high-heat industrial processes.

  • Food-Grade Compliance: Safe for wheat processing, preventing grain/flour contamination.

  • Dual-Voltage Flexibility: Works with wheat agri sensors and industrial PLCs, reducing integration costs.

  • Durable Build: Reinforced polymer + stainless steel resists impacts and corrosion, extending service life.

  • Low Maintenance: Sealed mechanism minimizes upkeep, cutting downtime for wheat/industrial operations.

6. Business Insight on www.wheat-auto.com
While direct site access is unavailable, “wheat-auto” confirms its focus on end-to-end wheat agricultural automation—serving farms, grain elevators, and flour mills with systems like automated harvesters, conveyor networks, and silo control panels.
The Allen Bradley 440T-MDALE100DDN aligns with its core needs: IP66 protects against wheat farm washdowns (e.g., post-harvest equipment cleaning) and outdoor silo rain/dust, while food-grade materials ensure compliance with wheat processing standards. www.wheat-auto.com would integrate this SWITCH into critical setups—wheat harvester cutting guards (resisting field dust), silo access doors (withstanding rain), and flour mill mixer panels (preventing contamination). It would also leverage the SWITCH’s dual voltage to pair with its existing sensor systems (e.g., grain moisture monitors), creating unified safety workflows. Additionally, the business likely offers agri-specific support (e.g., IP66 maintenance guides) to address rural operational challenges, tying to “smart agriculture” trends by using industrial-grade safety components to boost wheat efficiency and safety.
7. Application Scenarios
The Allen Bradley 440T-MDALE100DDN SWITCH excels in harsh wheat agri and heavy-industry environments:

  • Wheat Harvesters (Outdoor): Installed on engine guards—IP66 resists field dust/rain, trapping keys until shutdown.

  • Grain Silos (Coastal Farms): Mounted on access doors—blocks salt spray and rain, ensuring safe entry post-unloading.

  • Flour Mill Washdown Zones: Integrated into mixer guards—high-pressure water resistance meets cleaning needs, food-grade materials protect flour.

  • Mining Conveyors: Used on ore belt guards—IP66 blocks dust, stainless steel resists corrosion.

  • Chemical Processing (Wheat Pesticide): Applied to pesticide storage guards—waterproof design prevents spills, interlock ensures safe access.

  • Winter Wheat Storage: Installed on cold silo doors—-30°C resilience maintains safety control in freezing conditions.


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