Four product ranges · Manufacturing and coordinated supply
Browse models, original brands and reference data ↓
Discuss temperature, sensing, indication and protective component interfaces for the equipment.
Accessories are sourced for the selected equipment and application. Manufacturer, material, interfaces and support scope are confirmed with the quotation.
Use the drawing, material, dimensions and mounting interfaces to identify accessories for your equipment.
Illustrative context. Actual products and supply scope are confirmed with your enquiry.
3 product / series references. Series pages describe selection ranges; model pages identify an individual order reference.
Product imageOMRON
Model specification
Reference: K8AK-PH1
Voltage-sensing monitoring relay for three-phase equipment supplies. Use it in the control circuit to detect incorrect phase sequence or loss of supply phase.
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Series reference imageSiemens
Series selection
Reference: SIRIUS 3UG5 series
Line monitoring for equipment protection and supply diagnostics. Select the monitored conditions, relay outputs and communications required by the control design.
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Series reference imageSieyuan
Series selection
Reference: IES-521 configuration selection
Configurable protection and monitoring for power-transformer projects. Selection starts with the transformer winding arrangement, CT circuits, protection philosophy and station communications.
View series & selection ↗Choose a component type below. Products from different manufacturers belong in the same category; the brand and full model identify each product. You can also start with a drawing or application.
A drawing, reference or existing-part photo can help clarify these details.
Send a family enquiry ↗Share the current part information and installation interfaces. The supply option and technical fit need to be reviewed together.
Prepare a replacement enquiry ↗Include dimensions, materials and revision information where available. Add the quantity and delivery needs to your enquiry.
View information guides ↗Discuss current and voltage transformers, temperature monitoring, sensors and protective accessories. Select measurement and protection devices by their electrical duty and interfaces.
Ratio or measured range, accuracy class and burden where applicable.
Auxiliary voltage, sensor type and output or communication interface.
Mounting, terminal layout and connection to the existing system.
For a specified-brand purchase, state whether alternatives may be considered. Any proposed replacement is identified separately for your review.
Discuss this family ↗
TRANSFORMERS & ELECTRICAL COMPONENTS