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Allen Bradley 440T-ASCBE11ND Safety Interlock SWITCH

Oct. 16 , 2025
1. Product Name
Allen Bradley 440T-ASCBE11ND Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-ASCBE11ND is an IP66-rated safety interlock SWITCH with versatile voltage compatibility (24V DC/110V AC/230V AC), designed for mixed wet/dry agricultural and industrial environments to ensure stable hazard control.
3. Product Description
The Allen Bradley 440T-ASCBE11ND is a high-reliability safety interlock SWITCH, part of Allen Bradley’s 440T series tailored for scenarios where equipment uses diverse power supplies and faces alternating wet/dusty conditions. This Allen Bradley SWITCH acts as a critical safety barrier, restricting access to high-risk zones—such as wheat farm conveyors (alternating rain/dust), industrial mixing rooms, or grain cleaning facilities—only when machinery is fully deactivated and safety prerequisites (e.g., pressure relief, motor stop) are satisfied.
Constructed with 304 stainless steel housing (resistant to mild corrosion) and impact-resistant polycarbonate components, the Allen Bradley SWITCH achieves IP66 protection. This rating effectively blocks heavy dust ingress and powerful water jets (up to 1000L/h at 80kPa), addressing key challenges in environments with alternating moisture and debris—like wheat harvest seasons (rainy outdoor work + dusty grain handling). Its core interlock mechanism follows a fail-safe design: the Allen Bradley SWITCH remains locked to prevent unauthorized entry until connected equipment (regardless of 24V DC/110V AC/230V AC power) stops completely, avoiding accidents from contact with moving parts. Optimized for versatile voltage, this Allen Bradley SWITCH features universal terminal blocks, enabling seamless integration with wheat farm control systems (e.g., grain moisture sensors, elevator controllers) and industrial safety PLCs without additional voltage converters.
Compliant with EN ISO 14119 and IEC 60947-5-1 standards, the Allen Bradley SWITCH qualifies for Category 3 safety applications with Performance Level d (PLd). It operates stably in temperatures ranging from -25°C to 65°C, handles 95% non-condensing humidity, and supports a maximum current of 10A at 250V AC—suitable for medium-load equipment like wheat grinders or industrial mixers. With a mechanical service life of 180,000 operations and compact dimensions (8.6×6.4×2.4cm), the Allen Bradley SWITCH balances durability, multi-voltage adaptability, and space efficiency for tight installation spots (e.g., narrow conveyor guard doors).
4. Product Model
440T-ASCBE11ND440T-MDSLE10AGAI440T-MMRSE210A0B0B440T-MSCLE11EE
440T-ASCBE11NE440T-MDSLE10AHAI440T-MMRSE210A0B0C440T-MSCLE11FA
440T-ASCBE11NF440T-MDSLE10AIAB440T-MMRSE210B0B0B440T-MSCLE11JT
440T-ASCBE11NG440T-MDSLE10AIAH440T-MMRSE210B0C0D440T-MSCLE11LT
440T-ASCBE11NH440T-MDSLE10AIAJ440T-MMRSE210C0C0C440T-MSCLE11NA
440T-ASCBE11NI440T-MDSLE10AJAK440T-MMRSE210D0C0C440T-MSCLE11OD
440T-ASCBE11NJ440T-MDSLE10AKAL440T-MMRSE210D0D0D440T-MSCLE11OS
440T-ASCBE11NK440T-MDSLE10AM0B440T-MMRSE210E0C0C440T-MSCLE11SA
440T-ASCBE11NL440T-MDSLE10AMAN440T-MMRSE210E0E0E440T-MSCLE11SB
440T-ASCBE11NM440T-MDSLE10ANAO440T-MMRSE210F0E0E440T-MSCLE11SC
440T-ASCBE11NN440T-MDSLE10ANAP440T-MMRSE210F0F0F440T-MSCLE11SD
440T-ASCBE11NO440T-MDSLE10APAR440T-MMRSE210H0G0G440T-MSCLS100A
440T-ASCBE11NP440T-MDSLE10AR0R440T-MMRSE210H0I0J440T-MSCLS100B
440T-ASCBE11NR440T-MDSLE10ARAS440T-MMRSE210J0I0I440T-MSCLS100C
440T-ASCBE11NS440T-MDSLE10AUAV440T-MMRSE210K0K0K440T-MSCLS100D
440T-ASCBE11NT440T-MDSLE10AWAX440T-MMRSE210L0C0C440T-MSCLS100E
440T-ASCBE11NU440T-MDSLE10BAAA440T-MMRSE210L0F0F440T-MSCLS100F
440T-ASCBE11NV440T-MDSLE10BABB440T-MMRSE210L0L0L440T-MSCLS100G
440T-ASCBE11NW440T-MDSLE10BABC440T-MMRSE210LOLOL440T-MSCLS100H
440T-ASCBE11NX440T-MDSLE10BABT440T-MMRSE210N0M0M440T-MSCLS100L
440T-ASCBE11NY440T-MDSLE10BACA440T-MMRSE210P0O0O440T-MSCLS100O
440T-ASCBE11NZ440T-MDSLE10BACC440T-MMRSE210TOTOT440T-MSCLS100P
440T-ASCBE11OA440T-MDSLE10BADA440T-MMRSE210W0W0W440T-MSCLS100U
440T-ASCBE11OB440T-MDSLE10BAEA440T-MMRSE21AA0A0C440T-MSCLS100V
440T-ASCBE11OC440T-MDSLE10BAFA440T-MMRSE21AAAAAA440T-MSCLS100Z
440T-ASCBE11OD440T-MDSLE10BAFG440T-MMRSE21AAABAC440T-MSCLS103AAG
440T-ASCBE11OE440T-MDSLE10BAGA440T-MMRSE21AAOAOC440T-MSCLS103AAI
440T-ASCBE11OF440T-MDSLE10BBBA440T-MMRSE21ABABAB440T-MSCLS10AA
440T-ASCBE11OG440T-MDSLE10BBBC440T-MMRSE21ACACAC440T-MSCLS10AB
440T-ASCBE11OH440T-MDSLE10BBBD440T-MMRSE21ADADAD440T-MSCLS10AC
440T-ASCBE11OI440T-MDSLE10BBBE440T-MMRSE21AEAEAE440T-MSCLS10AH
440T-ASCBE11OJ440T-MDSLE10BBBF440T-MMRSE21AGAGAG440T-MSCLS10AR
440T-ASCBE11OK440T-MDSLE10BBCA440T-MMRSE21AHAHAH440T-MSCLS10AS
440T-ASCBE11OL440T-MDSLE10BBCB440T-MMRSE21AIAIAI440T-MSCLS10AT
440T-ASCBE11OM440T-MDSLE10BBCC440T-MMRSE21AXAXAX440T-MSCLS10AU
440T-ASCBE11ON440T-MDSLE10BBCD440T-MMRSE21AZAZAZ440T-MSCLS10BA
440T-ASCBE11OO440T-MDSLE10BBCE440T-MMRSE21BABABA440T-MSCLS10BB
440T-ASCBE11OP440T-MDSLE10BBCF440T-MMRSE21BABBBC440T-MSCLS10BC
440T-ASCBE11OR440T-MDSLE10BBCG440T-MMRSE21BBBBBB440T-MSCLS10BD
440T-ASCBE11OS440T-MDSLE10BBDB440T-MMRSE21BDBEBF440T-MSCLS10BE
440T-ASCBE11OT440T-MDSLE10BBDD440T-MMRSE21BGBHBI440T-MSCLS10BP
440T-ASCBE11OU440T-MDSLE10BBEB440T-MMRSE21BLBMBN440T-MSCLS10CA
440T-ASCBE11OV440T-MDSLE10BBFB440T-MMRSE21BVBVBV440T-MSCLS10CB
440T-ASCBE11OW440T-MDSLE10BBGB440T-MMRSE21CACACA440T-MSCLS10CC
440T-ASCBE11OX440T-MDSLE10BCBB440T-MMRSE21CACBCC440T-MSCLS10CD
440T-ASCBE11OY440T-MDSLE10BCBD440T-MMRSE21DADADA440T-MSCLS10CE
440T-ASCBE11OZ440T-MDSLE10BCBF440T-MMRSE21DADBDC440T-MSCLS10CF
440T-ASCBE11PA440T-MDSLE10BCCC440T-MMRSE21DBDBDB440T-MSCLS10CG
440T-ASCBE11PB440T-MDSLE10BCDC440T-MMRSE21DDDEDF440T-MSCLS10CH
440T-ASCBE11PC440T-MDSLE10BCEA440T-MMRSE21DNDPDR440T-MSCLS10CI
440T-ASCBE11PD440T-MDSLE10BCEB440T-MMRSE21EAEAEA440T-MSCLS10CJ
440T-ASCBE11PE440T-MDSLE10BCEC440T-MMRSE21EAEBEC440T-MSCLS10CK
440T-ASCBE11PF440T-MDSLE10BCED440T-MMRSE21EBEBEB440T-MSCLS10CL
440T-ASCBE11PG440T-MDSLE10BCEE440T-MMRSE21ECECEC440T-MSCLS10CM
440T-ASCBE11PH440T-MDSLE10BCEF440T-MMRSE21EDEEEF440T-MSCLS10CN
440T-ASCBE11PI440T-MDSLE10BCEG440T-MMRSE21FAFAFA440T-MSCLS10CP
440T-ASCBE11PJ440T-MDSLE10BCFC440T-MMRSE21FAFBFC440T-MSCLS10CR
5. Product Advantages

  • IP66 Dual Protection: Resists heavy dust and high-pressure water jets, ideal for alternating wet/dusty environments (e.g., wheat harvest + grain storage).

  • Versatile Voltage Compatibility: 24V DC/110V AC/230V AC support matches diverse agricultural/industrial power grids, no converters needed.

  • Corrosion & Impact Resistance: 304 stainless steel + polycarbonate build extends service life in mild corrosive (e.g., damp grain silos) and high-traffic areas.

  • Global Safety Compliance: PLd/Category 3 rating meets EN/IEC standards, preventing medium-risk accidents in high-hazard zones.

  • Easy Integration: Universal terminals work with wheat farm systems and industrial PLCs, cutting installation time by 30%.

  • Wide Temperature Range: -25°C to 65°C operation suits cool grain silos and warm industrial workshops.

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 equipment to indoor grain processing and storage systems. The business targets small-to-large wheat farms, local grain mills, and regional food processors, providing customized setups like multi-voltage grain conveyors, weather-adapted silo controls, and dust-resistant flour processing lines.
Given the Allen Bradley 440T-ASCBE11ND’s IP66 and multi-voltage features, www.wheat-auto.com would integrate this Allen Bradley SWITCH into key wheat equipment: outdoor harvest conveyors (alternating rain/dust), multi-voltage grain elevators (matching farm’s mixed power supplies), and damp silo access doors (resisting moisture). It would leverage the SWITCH’s compliance with ISO 23387 (grain handling safety) to ensure reliability during peak seasons—such as rainy harvests or dusty milling. Additionally, the business likely offers farm-specific after-sales services (e.g., IP66 seal checks, voltage compatibility testing) to solve rural operational pain points, aligning with “smart agriculture” trends that prioritize flexible, environment-adapted safety components for consistent wheat production.
7. Application Scenarios
The Allen Bradley 440T-ASCBE11ND SWITCH excels in multi-voltage, alternating wet/dusty environments:

  • Wheat Harvest Conveyors: Installed on outdoor conveyor guard doors, IP66 resists rain/dust while multi-voltage matches farm’s 24V DC sensors and 230V AC motors.

  • Grain Cleaning Zones: Mounted on cleaner access panels, IP66 blocks water jets (from equipment washing) and grain dust, 适配 (adapting to) 110V AC power.

  • Damp Grain Silos: Used on silo access gates, 304 stainless steel resists mild corrosion, and -25°C resilience suits cool storage.

  • Industrial Mixing Rooms: Integrated into mixer guard doors, multi-voltage works with 230V AC mixers and 24V DC safety sensors.

  • Agricultural Chemical Sheds: Applied to chemical drum storage guards, IP66 resists spillage and dust, matching 110V AC ventilation systems.

  • Small-Scale Flour Mills: Used on grinder guard doors, compact size fits narrow spaces, and IP66 blocks flour dust while multi-voltage adapts to mill’s power supply.


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