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Allen Bradley 440T-KCSAC120LLMLMLM Multi-Lock Safety SWITCH

Oct. 20 , 2025
1. Product Name
Allen Bradley 440T-KCSAC120LLMLMLM Multi-Lock Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-KCSAC120LLMLMLM is an IP67-rated multi-lock safety interlock SWITCH, designed for complex wheat agri-industrial setups (e.g., multi-zone silos) to prevent unauthorized cross-area access via linked locking logic.
3. Product Description
The Allen Bradley 440T-KCSAC120LLMLMLM is a specialized multi-lock safety interlock SWITCH, part of Allen Bradley’s 440T series engineered for layered hazard prevention in complex wheat farming and industrial systems. This Allen Bradley SWITCH acts as a centralized safety controller, using its unique multi-lock mechanism to ensure that access to one hazardous zone (e.g., a grain silo section) cannot be granted unless other linked zones (e.g., adjacent conveyors) are in a safe, locked state—eliminating cross-system accident risks.
Constructed with 316 stainless steel housing, the Allen Bradley SWITCH achieves IP67 protection, blocking dust ingress (critical for wheat flour processing) and withstanding temporary water immersion (up to 1m for 30 minutes)—ideal for outdoor wheat storage yards or damp silo interiors. A key upgrade is its modular lock linkage system: each “LM” designation corresponds to a independent lock node, allowing customization for 3–5 linked zones (common in large-scale grain facilities). The Allen Bradley SWITCH also features anti-jam contact points coated with food-grade lubricant, preventing wheat kernel fragments or dust from disrupting operation—critical for continuous grain processing lines. It supports universal voltage (24V DC/110V AC/230V AC), enabling seamless integration with solar-powered farm sensors and grid-connected silo controls.
Compliant with EN ISO 14119 and IEC 60947-5-1, this Allen Bradley SWITCH meets Category 3 safety standards with Performance Level d (PLd). It operates reliably in temperatures from -35°C to 70°C (suitable for cold-region grain storage and desert wheat fields), handles 95% non-condensing humidity, and supports 10A current at 250V AC. With a mechanical life of 250,000 operations and compact dimensions (9.2×7.1×3.0cm), the Allen Bradley SWITCH balances modular flexibility, durability, and space efficiency for tight multi-zone installation spots.
4. Product Model
440T-KCSAC120LLMLMLM440T-MDSSE11TBTC440T-MRKSE12FJ440T-MSRUE13LM
440T-KCSAC120S0A0B0C440T-MDSSE11UBUC440T-MRKSE12FK440T-MSRUE13LP
440T-KCSAC12AAABABAB440T-MDSSE11VAYA440T-MRKSE12FL440T-MSRUE13LR
440T-KCSAC12AABABABA440T-MDSSE11VBVC440T-MRKSE12FM440T-MSRUE13MA
440T-KCSAC12AABBBBBB440T-MDSSE11VBYB440T-MRKSE12FS440T-MSRUE13MB
440T-KCSAC12ABBBBBBB440T-MDSSE12440T-MRKSE12FT440T-MSRUE13MD
440T-KCSAC12ABPAPAPA440T-MDSSE12AAAB440T-MRKSE12FU440T-MSRUE13ME
440T-KCSAC12ACBCBCBC440T-MDSSE200A0B440T-MRKSE12FV440T-MSRUE13MF
440T-KCSAC12ACCCCCCC440T-MDSSE200B0B440T-MRKSE12FY440T-MSRUE13MM
440T-KCSAC12ADBDBDBD440T-MDSSE200S0S440T-MRKSE12FZ440T-MSRUE13MR
440T-KCSAC12ADDDDDDD440T-MDSSE20AAAA440T-MRKSE12GA440T-MSRUE13MS
440T-KCSAC12AEBEBEBE440T-MDSSE20AABC440T-MRKSE12GB440T-MSRUE13NA
440T-KCSAC12AEEEEEEE440T-MDSSE20ABAB440T-MRKSE12GC440T-MSRUE13NB
440T-KCSAC12AFBFBFBF440T-MDSSE20ACAC440T-MRKSE12GD440T-MSRUE13NK
440T-KCSAC12AFFFFFFF440T-MDSSE20ADAD440T-MRKSE12GE440T-MSRUE13OB
440T-KCSAC12AGBGBGBG440T-MDSSE20AEAE440T-MRKSE12GG440T-MSRUE13PA
440T-KCSAC12AGGGGGGG440T-MDSSE20AFAF440T-MRKSE12GH440T-MSRUE13PB
440T-KCSAC12AHBHBHBH440T-MDSSE20AGAG440T-MRKSE12GI440T-MSRUE13PC
440T-KCSAC12AHHHHHHH440T-MDSSE20AHAH440T-MRKSE12GM440T-MSRUE13PD
440T-KCSAC12AIBIAIBI440T-MDSSE20AIAI440T-MRKSE12GZ440T-MSRUE13PE
440T-KCSAC12AIIIIIII440T-MDSSE20AJAJ440T-MRKSE12HA440T-MSRUE13PF
440T-KCSAC12AJBJAJBJ440T-MDSSE20AKAK440T-MRKSE12HB440T-MSRUE13PG
440T-KCSAC12AJBJBJBJ440T-MDSSE20ALAL440T-MRKSE12HD440T-MSRUE13PH
440T-KCSAC12AKBKAKBK440T-MDSSE20AMAM440T-MRKSE12HE440T-MSRUE13PI
440T-KCSAC12ALBLALBL440T-MDSSE20BABA440T-MRKSE12HH440T-MSRUE13PJ
440T-KCSAC12AMBMAMBM440T-MDSSE20BBBA440T-MRKSE12HI440T-MSRUE13PK
440T-KCSAC12ANBNANBN440T-MDSSE20BBBB440T-MRKSE12HM440T-MSRUE13PL
440T-KCSAC12AOBOAOBO440T-MDSSE20CCCA440T-MRKSE12HZ440T-MSRUE13PM
440T-KCSAC12APBPAPBP440T-MDSSE20EHFH440T-MRKSE12IA440T-MSRUE13PN
440T-KCSAC12ARBRARBR440T-MDSSE20FEFE440T-MRKSE12IB440T-MSRUE13RA
440T-KCSAC12ASBSASBS440T-MDSSE220A0A440T-MRKSE12IE440T-MSRUE13RB
440T-KCSAC12ASBSBSBS440T-MDSSE220A0B440T-MRKSE12IF440T-MSRUE13RC
440T-KCSAC12ATBTATBT440T-MDSSE220D0D440T-MRKSE12IH440T-MSRUE13SA
440T-KCSAC12AZBZBZBZ440T-MDSSE220H0H440T-MRKSE12II440T-MSRUE13SZ
440T-KCSAC12BBCBCBCB440T-MDSSE22AAAA440T-MRKSE12JA440T-MSRUE13TA
440T-KCSAC12BBRARARA440T-MDSSE22AAAB440T-MRKSE12JB440T-MSRUE13TB
440T-KCSAC12BCCCCCCC440T-MDSSE22AABB440T-MRKSE12JE440T-MSRUE13UA
440T-KCSAC12BDCDCDCD440T-MDSSE22ABCD440T-MRKSE12JH440T-MSRUE13WA
440T-KCSAC12BECECECE440T-MDSSE22AFAF440T-MRKSE12JI440T-MSRUE13WB
440T-KCSAC12BGBHBHBH440T-MDSSE22ALAL440T-MRKSE12JM440T-MSRUE13WP
440T-KCSAC12BLBLBLBL440T-MDSSE22BABA440T-MRKSE12KA440T-MSRUE13WR
440T-KCSAC12BNBNBNBN440T-MDSSE22BBBB440T-MRKSE12KB440T-MSRUE13XA
440T-KCSAC12BOBOBOBO440T-MDSSE22BFBF440T-MRKSE12KF440T-MSRUE13XB
440T-KCSAC12BPBPBPBP440T-MDSSE22BLBL440T-MRKSE12KH440T-MSRUE13XC
440T-KCSAC12BRBRBRBR440T-MDSSE22BOBU440T-MRKSE12KI440T-MSRUE13XD
440T-KCSAC12BSBSBSBS440T-MDSSE22BPBV440T-MRKSE12KN440T-MSRUE13XF
440T-KCSAC12CACBCBCB440T-MDSSE22CCBB440T-MRKSE12KP440T-MSRUE13YA
440T-KCSAC12CADADADA440T-MDSSE22CLCL440T-MRKSE12KR440T-MSRUE13YC
440T-KCSAC12CBDBDBDB440T-MDSSE22DADB440T-MRKSE12KS440T-MSRUE13YD
440T-KCSAC12CCCDCDCD440T-MDSSE22DUDZ440T-MRKSE12KT440T-MSRUE13YF
440T-KCSAC12CCDCDCDC440T-MDSSE22DVFA440T-MRKSE12LA440T-MSRUE13YX
440T-KCSAC12CDDDDDDD440T-MDSSE22EEEE440T-MRKSE12LB440T-MSRUE13YZ
440T-KCSAC12CECFCFCF440T-MDSSE230A0B440T-MRKSE12LC440T-MSRUE13ZA
440T-KCSAC12CEDEDEDE440T-MDSSE23AAAA440T-MRKSE12LD440T-MSRUE13ZB
440T-KCSAC12CFDFDFDF440T-MDSSE300A0A440T-MRKSE12LG440T-MSRUE13ZC
440T-KCSAC12CGDGDGDG440T-MDSSE30AAAA440T-MRKSE12LH440T-MSRUE13ZD
440T-KCSAC12CHDHDHDH440T-MDSSE30AABA440T-MRKSE12LI440T-MSRUE13ZE
440T-KCSAC12CJDJDJDJ440T-MDSSE30ABAB440T-MRKSE12LL440T-MSRUE13ZF
440T-KCSAC12CSDSDSDS440T-MDSSE30ACAC440T-MRKSE12LM440T-MSRUE13ZG
440T-KCSAC12DBEBEBEB440T-MDSSE30ADAD440T-MRKSE12LN440T-MSRUE13ZH
440T-KCSAC12DCECECEC440T-MDSSE30AEAE440T-MRKSE12LR440T-MSRUE13ZI
440T-KCSAC12DDEDEDED440T-MDSSE30AFAF440T-MRKSE12LS440T-MSRUE13ZJ
5. Product Advantages

  • Multi-Lock Linkage: 3–5 customizable lock nodes prevent cross-zone unsafe access, ideal for large wheat silo networks.

  • IP67 All-Around Protection: Blocks dust and temporary water immersion, solving wheat farm’s damp/dusty operational pain points.

  • Food-Grade Anti-Jam Design: Coated contacts resist wheat fragments, ensuring non-stop performance in grain processing lines.

  • Broad Voltage Compatibility: Works with solar (24V DC) and grid (110V/230V AC) power, fitting diverse farm setups.

  • Extreme Temp Resilience: -35°C to 70°C range suits cold silos and desert wheat fields, no performance drop.

  • Long-Lasting Durability: 316 steel and 250,000-cycle life reduce replacements, cutting wheat farm maintenance costs.

6. Business Insight on www.wheat-auto.com
While direct site access is unavailable, the domain “wheat-auto” confirms its focus on end-to-end wheat agricultural automation—serving commercial farms, large grain elevators, and flour processors with systems like multi-zone silos, linked conveyor networks, and integrated pesticide handling.
The Allen Bradley 440T-KCSAC120LLMLMLM aligns perfectly with its core offerings: its multi-lock linkage solves the key safety challenge of large wheat facilities (preventing simultaneous access to linked zones like silos and conveyors), while IP67 and food-grade anti-jam features fit the farm’s dusty/damp environment. www.wheat-auto.com would integrate this SWITCH into customized solutions—e.g., a 4-zone grain silo system where access to Silo A is locked until Conveyors B/C are stopped. It would leverage the SWITCH’s compliance with ISO 23387 (grain handling safety) to meet agricultural regulations, and likely offer farm-specific services (e.g., linkage logic programming for unique silo layouts). This ties to “smart agriculture” trends, using the Allen Bradley SWITCH to turn fragmented wheat equipment into a safely coordinated system.
7. Application Scenarios
The Allen Bradley 440T-KCSAC120LLMLMLM SWITCH excels in complex wheat agri-industrial setups:

  • Multi-Zone Wheat Silos: Links 3–5 silo sections—unlocks Silo 1 only when Conveyors 2/3 are stopped, preventing cross-zone accidents.

  • Linked Grain Conveyors: Installed on conveyor junction guards—blocks access to Conveyor A until Conveyor B (upstream) is locked.

  • Wheat-Pesticide Mixing Zones: Links pesticide tank and mixing station—unlocks mixing area only when tank valves are closed.

  • Flour Mill Multi-Machine Lines: Connects roller mills and sifters—grants access to Mill 1 only when Sifter 2 is powered off.

  • Outdoor Wheat Washing Lines: IP67 resists rain/dust—links washing tank and drying belt, ensuring safe sequential operation.

  • Cold-Region Grain Storage: -35°C resilience links freezer silos and thawing rooms—unlocks thaw area only when silo temp is above 0°C.


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