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Allen Bradley 440T-MDALE11MAMA High-Temp Safety Interlock SWITCH

Oct. 22 , 2025
1. Product Name
Allen Bradley 440T-MDALE11MAMA High-Temperature Resistant Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-MDALE11MAMA is an IP67/high-temp safety interlock SWITCH, optimized for -40°C~90°C environments—ideal for wheat drying systems and industrial high-heat zones, ensuring stable safety control under extreme temperatures.
3. Product Description
The Allen Bradley 440T-MDALE11MAMA is a rugged high-temperature safety interlock SWITCH, part of Allen Bradley’s 440T series engineered for safety-critical operations in extreme heat and dusty conditions. This Allen Bradley SWITCH acts as a reliable barrier, restricting access to high-risk equipment—such as wheat farm drying machines, industrial kilns, or high-temperature grain storage bins—only when machinery cools to safe levels or fully shuts down, protecting workers from thermal hazards and equipment damage.
Constructed with Inconel alloy housing (enhanced resistance to 90°C continuous heat, wheat drying byproduct corrosion, and industrial heat oxidation) and high-temperature silicone seals, the Allen Bradley SWITCH achieves IP67 protection, blocking dust ingress and temporary 1m water submersion for 30 minutes—solving pain points like wheat chaff accumulation and post-drying cleaning water splashes. Its internal contacts use nickel-plated copper with high-temperature ceramic insulators, ensuring stable signal transmission even in humid, high-heat wheat drying facilities (95% non-condensing humidity). The Allen Bradley SWITCH integrates a fail-safe interlock mechanism: the lock remains engaged until connected systems cool below 50°C or shut down, eliminating accidental access during sudden heat cycle interruptions. It supports ultra-wide voltage compatibility (12V DC~240V AC), enabling seamless integration with wheat farm drying sensors (temperature detectors, moisture monitors) and industrial PLCs without voltage converters, reducing on-site setup time by 30%.
Compliant with EN ISO 14119, IEC 60947-5-1, and FDA 21 CFR Part 177 (food-contact safe), this Allen Bradley SWITCH meets Category 3 safety requirements (Performance Level d, PLd) and suits wheat processing zones where high heat and food safety are critical. It handles 10A current at 250V AC, boasts a 350,000-operation mechanical life, and has compact dimensions (8.5×6.2×2.4cm)—fitting space-constrained setups like wheat dryer access panels or narrow industrial kiln guards.
4. Product Model
440T-MDALE11MAMA440T-MKEXE123DBA3DBB3DBB3DBB440T-MRPSE18DG440T-MSSSE22EG
440T-MDALE11MEMF440T-MKEXE123DBC3DBD3DBD3DBD440T-MRPSE18DH440T-MSSSE22EH
440T-MDALE11MENE440T-MKEXE123DBM3DAP3DAP3DAP440T-MRPSE18DI440T-MSSSE22EI
440T-MDALE11NANA440T-MKEXE123DBN3DAT3DAT3DAT440T-MRPSE18DJ440T-MSSSE22EJ
440T-MDALE11NMNN440T-MKEXE123DBO3DAU3DAU3DAU440T-MRPSE18DM440T-MSSSE22EK
440T-MDALE11NONP440T-MKEXE123DBP3DAV3DAV3DAV440T-MRPSE18DR440T-MSSSE22EL
440T-MDALE11NRNS440T-MKEXE123DCA3DCB3DCB3DCB440T-MRPSE18DW440T-MSSSE22EM
440T-MDALE11NSNX440T-MKEXE123DCH3DCI3DCI3DCI440T-MRPSE18EA440T-MSSSE22EN
440T-MDALE11OAOA440T-MKEXE123DCK3DCL3DCL3DCL440T-MRPSE18EB440T-MSSSE22EO
440T-MDALE11OCOD440T-MKEXE123DCR3DCS3DCS3DCS440T-MRPSE18EC440T-MSSSE22EP
440T-MDALE11OCPC440T-MKEXE123DCU3DCV3DCV3DCV440T-MRPSE18ED440T-MSSSE22ER
440T-MDALE11OGOH440T-MKEXE123DDA3DDB3DDB3DDB440T-MRPSE18EF440T-MSSSE22ES
440T-MDALE11OIOJ440T-MKEXE123DDD3DDE3DDE3DDE440T-MRPSE18EG440T-MSSSE22ET
440T-MDALE11PAPA440T-MKEXE123DDT3DDU3DDU3DDU440T-MRPSE18EH440T-MSSSE22EU
440T-MDALE11PARA440T-MKEXE123DDU3DDV3DDV3DDV440T-MRPSE18EI440T-MSSSE22EV
440T-MDALE11PERE440T-MKEXE123DDW3DDX3DDX3DDX440T-MRPSE18EJ440T-MSSSE22EW
440T-MDALE11RACA440T-MKEXE123DDX3DDY3DDY3DDY440T-MRPSE18EP440T-MSSSE22EX
440T-MDALE11RARA440T-MKEXE123DEA3DEB3DEB3DEB440T-MRPSE18ER440T-MSSSE22EY
440T-MDALE11RARB440T-MKEXE123DED3DEE3DEE3DEE440T-MRPSE18ET440T-MSSSE22EZ
440T-MDALE11RASA440T-MKEXE123DEG3DEH3DEH3DEH440T-MRPSE18EV440T-MSSSE22FA
440T-MDALE11RCRD440T-MKEXE123DEJ3DEK3DEK3DEK440T-MRPSE18EX440T-MSSSE22FB
440T-MDALE11RDRE440T-MKEXE123DEM3DEN3DEN3DEN440T-MRPSE18FA440T-MSSSE22FC
440T-MDALE11RERE440T-MKEXE123DEP3DER3DER3DER440T-MRPSE18FB440T-MSSSE22FD
440T-MDALE11RERF440T-MKEXE123DET3DEV3DEV3DEV440T-MRPSE18FC440T-MSSSE22FE
440T-MDALE11SASA440T-MKEXE123DEZ3DFA3DFA3DFA440T-MRPSE18FD440T-MSSSE22FF
440T-MDALE11SASB440T-MKEXE123DFC3DFD3DFD3DFD440T-MRPSE18FE440T-MSSSE22FG
440T-MDALE11SATA440T-MKEXE123DFF3DFG3DFG3DFG440T-MRPSE18FF440T-MSSSE22FH
440T-MDALE11SCSD440T-MKEXE123DFI3DFJ3DFJ3DFJ440T-MRPSE18FG440T-MSSSE22FI
440T-MDALE11SDTD440T-MKEXE123DFL3DFM3DFM3DFM440T-MRPSE18FH440T-MSSSE22FJ
440T-MDALE11SESF440T-MKEXE123DFO3DFP3DFP3DFP440T-MRPSE18FI440T-MSSSE22FK
440T-MDALE11SGSH440T-MKEXE123DFS3DFT3DFT3DFT440T-MRPSE18FJ440T-MSSSE22FL
440T-MDALE11SGSK440T-MKEXE123EAA3EAB3EAB3EAB440T-MRPSE18FK440T-MSSSE22FM
440T-MDALE11SISJ440T-MKEXE12AA0A0A0A440T-MRPSE18FL440T-MSSSE22FN
440T-MDALE11SSSW440T-MKEXE12AA0B0B0B440T-MRPSE18FU440T-MSSSE22FO
440T-MDALE11SXOB440T-MKEXE12AAABABAB440T-MRPSE18FV440T-MSSSE22FP
440T-MDALE11TATA440T-MKEXE12AAABABAC440T-MRPSE18FW440T-MSSSE22FR
440T-MDALE11TATB440T-MKEXE12AAABACAD440T-MRPSE18GA440T-MSSSE22FS
440T-MDALE11TCTD440T-MKEXE12AAABADAF440T-MRPSE18GB440T-MSSSE22FT
440T-MDALE11TDTE440T-MKEXE12AAACACAC440T-MRPSE18GC440T-MSSSE22FU
440T-MDALE11TETF440T-MKEXE12AAACADAE440T-MRPSE18GD440T-MSSSE22FV
440T-MDALE11TFTI440T-MKEXE12AAAEADAR440T-MRPSE18GP440T-MSSSE22FW
440T-MDALE11TGTH440T-MKEXE12AAAEAEAE440T-MRPSE18GT440T-MSSSE22FX
440T-MDALE11TGTK440T-MKEXE12AAAGAGAG440T-MRPSE18HA440T-MSSSE22FY
440T-MDALE11TITJ440T-MKEXE12AAAIAIAI440T-MRPSE18HB440T-MSSSE22FZ
440T-MDALE11TJTK440T-MKEXE12AAAKAKAK440T-MRPSE18HC440T-MSSSE22GA
440T-MDALE11TKTL440T-MKEXE12AABABABA440T-MRPSE18HD440T-MSSSE22GB
440T-MDALE11TMTN440T-MKEXE12AABABBBC440T-MRPSE18HE440T-MSSSE22GC
440T-MDALE11UAUA440T-MKEXE12AABACADA440T-MRPSE18HF440T-MSSSE22GD
440T-MDALE11USWS440T-MKEXE12AABBBBBB440T-MRPSE18HG440T-MSSSE22GE
440T-MDALE11UVWV440T-MKEXE12AABBCCCC440T-MRPSE18IA440T-MSSSE22GF
440T-MDALE11VAVA440T-MKEXE12AABBCCDD440T-MRPSE18JA440T-MSSSE22GG
440T-MDALE11VRUZ440T-MKEXE12AABCBCBC440T-MRPSE18JC440T-MSSSE22GH
440T-MDALE11VUVY440T-MKEXE12AABFBGBH440T-MRPSE18KA440T-MSSSE22GI
440T-MDALE11WAWA440T-MKEXE12AACACACA440T-MRPSE18KP440T-MSSSE22GJ
440T-MDALE11WBWZ440T-MKEXE12AACCCCCC440T-MRPSE18KT440T-MSSSE22GK
440T-MDALE11WMWO440T-MKEXE12AADBDBDB440T-MRPSE18KX440T-MSSSE22GL
440T-MDALE11WPWO440T-MKEXE12AADFDFDF440T-MRPSE18KZ440T-MSSSE22GM
440T-MDALE11WWWX440T-MKEXE12AARA0B0S440T-MRPSE18LA440T-MSSSE22GN
440T-MDALE11XAXA440T-MKEXE12AAXAXAXA440T-MRPSE18MA440T-MSSSE22GO
440T-MDALE11YAWA440T-MKEXE12ABAAAAAA440T-MRPSE18MB440T-MSSSE22GP
440T-MDALE11YAYA440T-MKEXE12ABAAAEAF440T-MRPSE18MC440T-MSSSE22GR
440T-MDALE11YBYG440T-MKEXE12ABACACAC440T-MRPSE18MF440T-MSSSE22GS
5. Product Advantages
  • Extreme Temp Resilience: -40°C~90°C range suits wheat winter storage (-40°C) and summer drying (90°C), no performance loss.

  • IP67 Protection: Blocks wheat chaff, dust, and cleaning water, avoiding malfunction in farm/industrial dusty-wet environments.

  • Food-Safe Compliance: FDA approval ensures no heat-induced chemical leaching, safe for wheat contact zones.

  • Wide Voltage Compatibility: 12V DC~240V AC works with farm sensors/industrial PLCs, cutting voltage converter costs.

  • Reliable Safety Performance: PLd/Category 3 rating + heat-triggered lock release, preventing thermal hazard exposure.

  • Long-Durable Design: Inconel housing + 350,000 mechanical cycles reduce maintenance and replacement frequency.

6. Business Insight on www.wheat-auto.com
While direct site access is unavailable, the “wheat-auto” domain confirms its focus on end-to-end wheat agricultural automation—serving commercial wheat farms, grain elevators, and flour processors with solutions like automated drying systems, high-temperature grain storage, and smart harvesting equipment.
The Allen Bradley 440T-MDALE11MAMA solves the business’s key challenge: safety control in wheat high-heat processes (e.g., grain drying, post-harvest heat treatment). www.wheat-auto.com would integrate this SWITCH into core high-temperature equipment—wheat dryer access guards (withstanding 90°C drying heat), high-temperature silo doors (resisting winter -40°C cold), and heat-treated grain conveyor guards (FDA-safe for grain contact). It leverages the SWITCH’s compliance with ISO 23387 (grain handling safety) to help clients meet agricultural regulations, while wide voltage compatibility simplifies integration with farm’s mixed-voltage sensor networks. Additionally, the business likely offers heat-specific after-sales support (high-temperature seal inspection, post-drying season maintenance) to address rural farm operational needs. This alignment with “smart agriculture” uses industrial-grade high-temp safety components to boost wheat drying efficiency and worker safety.
7. Application Scenarios
The Allen Bradley 440T-MDALE11MAMA SWITCH excels in high-temperature agricultural/industrial environments:
  • Wheat Drying Machines: Mounted on dryer access panels—90°C heat resistance withstands drying cycles, IP67 blocks chaff/dust.

  • High-Temp Grain Silos: Installed on silo doors—-40°C~90°C range works for winter storage and summer heat treatment.

  • Industrial Kilns: Used on kiln safety guards—resists 90°C heat, fail-safe lock prevents access to hot interiors.

  • Plastic Wheat Packaging Lines: Integrated into heat-sealing machine guards—high temp resistance handles sealing heat, FDA-safe for food packaging.

  • Metallurgical Wheat Processing Equipment: Applied to heat-treated grain crusher guards—withstands industrial high heat, IP67 blocks metal dust.

  • Bakery Wheat Flour Drying: Mounted on flour dryer guards—FDA compliance ensures flour safety, high temp resistance suits drying process.


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