SANHE electronic enclosures and terminal blocks
Industrial DIN rail housings, panel instrument enclosures, sealed IP67 terminal boxes and pluggable connector blocks engineered by SANHE.
DIN rail electronic housings series SH for industrial automation
SANHE modular enclosures of SH801, SH802, SH806 and SH813 series house automation controllers, power units and interface converters on standard 35 mm DIN rails. Molded from flame retardant UL94-V0 polymers, they feature internal PCB guides and terminal covers.
- Standard module widths of 12.5, 17.5, 22.5, 35 and 45 mm for industrial control cabinets
- Internal precision mounting slots for vertical and horizontal printed circuit boards
- Integrated snap-on base latch mechanism for rapid DIN 35 mm rail assembly and lock
- Removable terminal covers and ventilation slots preventing internal thermal heat buildup
Panel meter instrument enclosures built to standard DIN formats
SANHE instrument enclosures house digital meters, temperature controllers, timers and counter displays in operator desks and control panel cutouts. The standardized DIN profile range from 24x48 to 160x160 mm includes mounting brackets and front frame assemblies.
- Standard DIN bezel dimensions 48x48, 48x96, 72x72, 96x96 and 160x160 mm for control desks
- Transparent protective front window covers and bezel trims for display face sealing
- Sturdy side clamping brackets for vibration proof panel cutout installation and lock
- Rear terminal adapter plates and terminal shields for incoming wiring loom connection
Sealed industrial terminal junction boxes and waterproof enclosures
SANHE waterproof junction boxes provide IP67 and higher ingress protection for field wiring connections and sensor electronics. Formed-in-place polyurethane gaskets applied via German dispensing machinery prevent moisture, water jet and abrasive dust intrusion.
- Seamless polyurethane gasket bead ensuring robust IP67 ingress protection standards
- Enclosure variants in high-impact polymer materials and aluminum alloy housing bodies
- Stainless steel captive cover screws and embedded threaded brass mounting bushings
- Material resistance against outdoor ultraviolet exposure and harsh industrial chemicals
Pluggable terminal connector blocks series SH204 and SH220
SANHE pluggable terminal blocks of SH204 and SH220 series provide convenient wire-to-board disconnect interfaces for automation modules. Plug headers and matching PCB receptacles with pitches from 3.5 to 5.08 mm streamline equipment assembly and field replacement.
- Contact pin pitch spacing options including 3.5, 3.81, 5.0 and 5.08 mm pin grids
- Straight and right-angle plug configurations with screw clamp conductor wire hold
- Electrolytic copper contact pins with tin plating for enduring corrosion resistance
- Polyamide PA66 insulating housing offering high dielectric breakdown voltage strength
PCB screw mount and push-in spring terminal connector strips
SANHE PCB terminal blocks of series 1 and series 3 mount directly onto circuit boards for industrial instrumentation. Rising cage clamps and spring tension contacts safeguard fine wire strands while maintaining reliable contact pressure under thermal cycles.
- Rising cage clamp screw design prevents wire strand twisting and mechanical damage
- Push-in spring terminal options for fast tool-free wire insertion on circuit board
- Modular interlocking block design enabling custom electrical pole count assemblies
- Compliance with international electrical insulation standards and testing protocols
Custom mold manufacturing and precision plastic enclosure fabrication
SANHE designs and fabricates precision tooling for injection molding and metal stamping of specialized industrial housings. Operating over 80 injection molding machines and CNC milling centers, the plant delivers custom housings with tight dimensional tolerances.
- Tooling engineering and mold building based on client drawings and 3D technical files
- Precision plastic injection molding powered by 80 automated manufacturing machines
- Secondary CNC milling of cutouts for displays, switches and sealed cable entry ports
- Silkscreen marking, pad printing and protective surface finishes on customer demand
Structural engineering of SANHE modular DIN rail 35 mm electronics housings
SANHE modular enclosures of SH801, SH802, SH806 and SH813 series provide standardized mounting platforms for automation controllers and signal conditioners on thirty-five millimeter DIN rails.
Housing elements are injection molded from high-grade flame-retardant polymers meeting the UL94-V0 flammability specification.
The interior volume features multiple precision board slots for vertical and horizontal printed circuit board assemblies, enabling neat internal partitioning of processor electronics and power modules.
Removable perforated front covers and slotted ventilation patterns promote steady thermal dissipation through natural air convection, preventing heat buildup within enclosed industrial automation cabinets during continuous operations.
Standard DIN profile sizing and panel instrument display housing solutions
The panel instrument housing portfolio engineered by SANHE complies with international DIN standard dimensions, offering front bezel sizes from 24x48 up to 160x160 millimeters for machine desks and control panels.
Designed for panel cutout installation, these enclosures utilize heavy-duty side clamping brackets that lock the unit firmly against vibration generated by operating workshop machinery.
The front section incorporates a transparent hinged protective cover fabricated from optical-grade polymer with an elastomer seal. This protects digital displays, push-button switches and calibration controls from workshop dust, liquid splash and accidental impact along active production lines.
Automated polyurethane sealing technology for IP67 waterproof junction boxes
For harsh field environments, remote sensor nodes and outdoor electrical junctions, SANHE manufactures waterproof protective enclosures providing IP67 and higher ingress protection ratings.
At the Yuyao facility, high-precision dispensing automated units from Germany apply seamless polyurethane foam gaskets along the perimeter groove of the lid.
When stainless steel captive cover screws are tightened into threaded brass inserts, the resilient polymer gasket seals completely against the base rim. This construction forms a continuous barrier against water jets, steam and fine particulate contamination.
High-impact polymer blends and aluminum alloys maintain mechanical integrity from minus forty to plus one hundred degrees.
Pluggable terminal connector assemblies for rapid industrial field wiring
Series SH204 and SH220 pluggable terminal blocks deliver wire-to-board interconnect solutions for control electronics and field telemetry modules.
The two-piece connector system includes plug headers with screw clamps for field wire terminations and matching shrouded PCB headers soldered directly to printed circuit boards.
Contact pin spacing options of 3.5, 3.81, 5.0 and 5.08 millimeters allow designers to configure appropriate connection density for signal circuits and power lines up to twelve amperes.
Utilizing copper alloy contact springs treated with protective tin plating, these connectors deliver low contact resistance and long-term anti-oxidation performance over extended operational lifespans.
Rising clamp mechanisms and screwless spring connections for PCB terminals
For permanent board-level terminations, SANHE manufactures series 1 and series 3 terminal blocks featuring rising cage clamps and push-in spring tension contacts.
The rising cage clamp design moves a steel collar vertically upward as the screw turns, pressing stripped wire conductors smoothly against a tinned copper busbar. This completely prevents rotational friction and shearing damage to fine wire strands, eliminating the necessity for crimped ferrules.
Push-in spring terminal variants utilize stainless steel spring elements that exert constant mechanical pressure on wire cores. This protects connections against thermal loosening and vibration over prolonged factory operating cycles.
Precision tooling engineering and custom industrial enclosure fabrication
The manufacturing infrastructure at SANHE incorporates over eighty plastic injection molding machines and high-precision CNC tooling centers for specialized tooling production.
The engineering department provides three-dimensional CAD modeling, mold flow simulation and precision mold building for technical polymers and aluminum alloys.
Standard production housings can be customized with CNC milling of specific apertures for displays, membrane keypads, cable glands and interface connectors matching customer blueprints.
High-resolution silkscreen marking, pad printing and protective surface finishes ensure finished components satisfy exacting corporate equipment guidelines.
SANHE and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of SANHE and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
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Documents and sources
- Official Ningbo Sanhe Enclosure portal — industrial electronic enclosures and tooling
- International Sanhe component catalog — DIN rail housings and instrument enclosures
- Factory manufacturing facility profile — plant history since 1987 and machinery park
- Terminal blocks and connector catalog — technical specifications of series connectors
- Tooling and mold production portal — engineering and precision injection mold tooling
