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Help CenterSTONEL Position SwitchQX35CR05SRA，QX35K05SDM ，QN45CK02HDM
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English introduction
The Stonel QX35CR05SRA is a high‑performance industrial limit switch, designed for precise position detection in demanding automation environments. According to distributor information:
Actuator type: roller plunger (roller‑plunger) for mechanical actuation.
Contact configuration: SPDT (1NO + 1NC) as standard.
Rated electrical load: 10 A at 250 VAC (and up to 600 VAC in some spec sheets)
Protection / ingress rating: IP65 (dust‑tight and protected against water jets) in one source.
Connection type: Some versions show an M12 plug connection for quick installation.
Applications: Suitable for CNC machining, packaging, conveyors, robotics, assembly lines where end‑travel or position detection is required.
Part of the Quartz “QX” series (explosion‑proof / heavy duty environment version) of Stonel. The Quartz series overview indicates the QX variant is explosion‑proof or for hazardous area (“Div 1/Zone 1”) use.
Key benefits
Robust mechanical construction for high cycle life (mechanical life >10 million operations claimed).
Good environment protection for tougher applications.
Clear visual indicator in some versions for switch status.
Summary
If you require a heavy‑duty roller plunger limit switch for industrial automation with decent ingress protection and straightforward SPDT output, the QX35CR05SRA is a good candidate. Note to verify the exact actuator style, electrical rating, mounting interface and hazardous area certification depending on your application.
2. Stonel QX35K05SDM
English introduction
The Stonel QX35K05SDM is described as a compact plunger‑type position switch (limit switch) intended for accurate positional feedback in automated machinery. Based on available guide‑style documentation:
Actuator type: linear (plunger) type, suitable for direct contact actuation. -
Protection rating: one source claims IP67 for this model (i.e., full dust ingress protection and water immersion up to 1 m for 30 min) in that particular guide. -
Typical contact configuration: SPDT (1NO + 1NC) – as with many Stonel Quartz switches. -
Intended for machine tools, packaging lines, conveyors, where compact size is beneficial. -
Key benefits
Compact footprint: allows mounting in tighter spaces or compact control setups.
High ingress protection (if IP67 spec confirmed) means resistance to wash‑down, coolant, moisture, dust.
Reliable electrical switching mechanism for machine control and feedback.
Summary
If you are looking for a smaller size limit/position switch with plunger actuation and decent environmental protection for general automation use (non‑hazardous area likely), the QX35K05SDM is worth investigating. Confirm the exact model’s ratings (voltage/current) from the datasheet.
3. Stonel QN45CK02HDM
English introduction
The Stonel QN45CK02HDM is a position switch from the Quartz “QN” series, intended for accurate valve position monitoring and feedback in industrial automation. From the supplier description:
Designed for industrial environments with rugged construction and corrosion‑resistant housing.
The QN series (as per Quartz series overview) is the “non‑incendive” version (for Div 2/Zone 2 hazardous areas) rather than full explosion‑proof.
Key features: high‑accuracy sensing, wide operating temperature range, visual status indicator, maintenance‑free design for heavy industrial use (oil & gas, chemical, water/wastewater).
Application scope: compatible with pneumatic, electric and hydraulic actuators for valve systems.
Key benefits
Suited for more challenging environments (vibration, corrosion, maybe hazardous area depending on version).
More advanced functions possibly including non‑contact sensing (reduces mechanical wear) as stated.
Visual status and modular installation ease.
Summary
If your application involves valve automation (rather than simple machine travel) and you need a position switch suited for industrial process, possibly in more demanding conditions, the QN45CK02HDM is relevant. Ensure you verify the model’s certification, mounting, electrical interfaces and any additional sensing/transmitter features.
Common background & generic remarks
These models belong to the Stonel “Quartz” series (models beginning QX, QN, QC etc) which are intended for valve‑monitoring / industrial limit/position switch applications. ance, and optional hazardous area ratings.
Important to check specific variant’s number carefully: the letters after the base (e.g., CR05SRA, K05SDM, CK02HDM) often encode actuator style, contact configuration, enclosure, and rated options.
Before purchase or installation, request the official datasheet/manual (installation, maintenance & operation) to verify: electrical rating (voltage/current), contact configuration, actuator type, mounting dimensions, ingress/protection rating (IP/NEMA), hazardous area approval if needed, wiring/connector method, mechanical life, etc.
When integrating into a system (especially for valve automation or safety feedback), ensure compatibility with your actuator, control logic (PLC/ DCS), environment (moisture, dust, wash‑down, temperature) and any regulatory / hazardous area classification.
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