Technical documents for OEM design engineers specifying ERECTA SWITCH products. Product family overviews, operating principles, application notes, design guides, and contact protection references — organized by document type for fast access.
Complete product family descriptions, electrical ratings, material selection guides, and ordering information for each ERECTA SWITCH series.
Piston-type reed switch flow sensors. Models 5-20, 5-21, 5-21H, 5-19, 5-20-LF. Electrical ratings, material guide, OEM application areas.
Modular vertical float level switches. Configuration architecture, 10-782 switch ratings, PP/AC/KR/SS material guide, packaging and ordering.
Bimetallic temperature switches. 11-800 ratings, six preset trip points, CR/C modes, enclosure materials, thermal response limitations.
Side mount reed switch float level switches. Models 15-650 through 15-600-AD. Electrical ratings from catalog, materials table, relay output ratings.
Heavy-duty magnetic float switches. Yaskawa Bestact™ R25 ratings, float buoyancy table, 20-202 cut-to-length stem specifications.
NistorPac and LatchPac solid state relays. Electrical ratings, heat sink requirements, operating environment, wiring specifications.
How each ERECTA SWITCH product works — sensing mechanisms, actuation physics, WO/DO action, and contact protection requirements.
Piston, spring, and magnetic actuation mechanism. Direct, bypass, and venturi sensing configurations. Set point accuracy and field variables.
Magnetic float actuation, hermetically sealed reed contact, square-stem profile. WO/DO reversible action. Modular stem architecture. Contact protection.
PEPI creep-action bimetallic disc. Thermal response, encapsulation effects, rate-of-change behavior. CR/C mode operation.
Hinged float clevis mechanism. Centerline-symmetrical design. Trip point specifications at specific gravity 1.0. WO/DO orientation.
Bestact™ blade-contact wiping mechanism. WO/DO trip point specifications. Float buoyancy by material. Cut-to-length stem system.
ON/OFF and latching relay operation. Terminal wiring diagrams. Latch logic (Start/Stop). Heat dissipation principles.
Detailed piston actuation mechanics, spring force vs. flow pressure balance, magnetic coupling geometry, and set point determination methodology.
Magnetic reed switch actuation by float-mounted magnet. Sealed contact hermetics, WO/DO reversibility, modular stem architecture, and contact protection fundamentals.
Hinged float clevis actuation, centerline-symmetrical buoyancy design, trip point vs. specific gravity relationships, and WO/DO mounting orientation.
Bestact™ snap-action blade contact mechanism, magnetic float actuation, WO/DO trip point specifications, float buoyancy by material, and cut-to-length stem system.
Mounting methods, wiring configurations, OEM application tables, and installation guidance for each ERECTA SWITCH series.
Direct, bypass, venturi, and low-flow trim configurations. Circuit wiring examples. OEM application table by industry.
Bulkhead vertical, extended stem, top mount configurations. LED, solenoid, LatchPac, multi-level wiring. OEM application reference table (14 applications).
Six detailed OEM use case scenarios. Setpoint selection guidelines. ERECTA SWITCH mounting compatibility and combination with Series 10.
1/2 NPT and 1/4 thread mounting methods. PTFE tape sealing guidance. OEM application table. Key features and benefits summary.
Six primary industrial application areas. Multi-station assembly guidance. Field repairability and spare parts overview.
NistorPac and LatchPac level control configurations. Non-level applications. Wiring guidance and heat sink requirements.
Direct, bypass, venturi, and low-flow trim configurations with wiring examples. OEM application table by industry. Installation and mounting reference.
Bulkhead vertical, extended stem, and top mount configurations. LED, solenoid, LatchPac, and multi-level wiring. OEM application reference table.
OEM use case scenarios, setpoint selection guidelines, ERECTA SWITCH mounting compatibility, and combination with Series 10 level switches.
1/2 NPT and 1/4 thread mounting methods, PTFE tape sealing guidance, OEM application table, and key features and benefits summary.
Mounting methods, 2-station pump control schemes, Bestact™ wiring guidance, 20-725 Control Head integration, and OEM application highlights.
In-depth engineering guides for OEM designers specifying ERECTA SWITCH products in demanding applications.
PEPI bimetallic mechanism. Encapsulation thermal effects. Housing material comparison. Rate-of-change response behavior. Practical setpoint selection recommendations.
NistorPac vs. LatchPac selection criteria. Heat sink design for continuous loads. OEM integration best practices. Non-level application examples.
Integrated level + temperature sensing on one ERECTA SWITCH stem. Architecture, field replaceability, five OEM use case scenarios, thermal lag reminder.
Wide differential level control using latching relay. Start/Stop logic configurations. Electrical summary. OEM application table with eight use cases.
NistorPac and LatchPac specifications side by side. Terminal wiring reference. Key installation and fusing points. Quick-reference for production OEM BOM.
PEPI bimetallic mechanism, encapsulation thermal effects, housing material comparison, rate-of-change response, and practical setpoint selection recommendations.
NistorPac vs. LatchPac selection criteria, heat sink design for continuous loads, OEM integration best practices, and non-level application examples.
Technical reference documents on installation, assembly, circuit protection, materials, and field troubleshooting — spanning all ERECTA SWITCH product series.
Back EMF, over-voltage stress, slow interruption, and low contact pressure failure mechanisms. Flyback diode, RC snubber, and MOV protection methods with component values.
Inductive kickback damage mechanisms specific to creep-action contacts. Protection methods including Series 50 relay isolation as the definitive solution.
Simple neon lamp test method to determine whether destructive arcing is occurring at relay or switch contacts. When to apply arc suppression.
Step-by-step procedure for extending UL1007/UL1015 sensor switch leadwires using a fused solder joint and 10-702-TU heat shrink insulator tube. Rated to 120/240 VAC.
Dual O-ring redundant seal system for 1/8 NPT connections. How to ensure face seal engagement. Nipple marking method for definitive penetration reference.
Snap lock cap attachment forces, backup ring function, knockout feature load isolation, and safe cap removal procedure for 1-1/4 hex and round receptacles.
Cap/body O-ring weather seal characteristics, submersion and pressure limitations, and O-ring lubrication recommendations for round and hex receptacles.
Approved sealants and lubricants for ERECTA SWITCH threaded and O-ring joints: Teflon tape, hand soap, silicone lubricant, ABS cement. What not to use and why.
Torque guidance for plastic NPT fittings. Why the O-ring does the sealing, not thread tightness. Over-torque failure modes and wrench technique.
Differential thermal expansion between thermoplastic stems and metal structures. Design recommendations for high-cycle temperature applications. Leadwire slack guidance.
Outside-in installation method using three screws to fasten the 10-700-FS flange nut to tank tops. Accommodates rough-cut holes with O-ring vapor seal.
Bestact™ element, stem assembly components, single vs. two-station constructions, 20-725 Control Head, and field assembly/repair overview.
How the bypass port affects Series 5 flow switch sensitivity. Open vs. closed bypass settings. When to use each. Field adjustment procedure.
Cam lock mechanism for 20-725 and 10-701-XX housings. O-ring friction, silicone lubrication, ABS cement sealing, and correct torque direction to prevent disassembly.
FDA 21 CFR compliance status for Polypropylene, Acetal, Kynar PVDF, and EPDM O-rings used in ERECTA SWITCH wetted components. Food and pharmaceutical application guidance.
How proportional magnetic response produces consistent, speed-independent trip points in ERECTA SWITCH reed products. Why calibration remains stable over service life.
Combining PP, Acetal, and Kynar components in a single ERECTA SWITCH assembly. Material suffix ordering, chemical compatibility considerations, and application engineering support.
5 inch-pound torque limit for the 10-700-N8 single-thread nut on Series 10 sensors. Thread shear failure mechanism, single vs. double nut configurations.
Flange nut O-ring face seal at bulkhead surfaces. RTV sealant for rough surfaces. Outside-in screw fastening method reference. Surface preparation guidance.
Snap-in installation and removal procedure for 10-72-XX cable assemblies in ERECTA SWITCH wiring receptacles. Tab inspection and replacement guidance.
Nine arc suppression circuit cases for DC and AC inductive loads — resistor, RC snubber, diode, zener, varistor, and RCD methods. Test data proving 18× contact life extension. RC value selection table.
In-depth technical papers on ERECTA SWITCH technology, materials science, and application engineering — written for OEM design engineers and procurement specialists.
Operating principles of bimetallic disc switches in liquid service. Thermal response characteristics, encapsulation effects, setpoint stability, and application selection guidance for Series 11 products.
Engineering analysis of ERECTA SWITCH modular sensing systems for reusable container applications. System architecture, material compatibility, and OEM integration strategy.
Technical analysis of reed switch failure modes under inductive load switching. Arc formation physics, contact welding, and quantified test data supporting RC snubber specification.
Our engineering team can verify chemical compatibility, recommend configurations, and support OEM design integration before you commit to a BOM. Free evaluation samples available.