Hd11f standard yellow glass plate — 100/38 single throw, three-knife isolation switch Key benefits Precise circuit control: The 100/38 single throw design provides clear, repeatable switching actions for accurate circuit engagement and disengagement. Reliable, error-proof operation: Built with an error-proof switching mechanism to reduce operator mistakes and ensure stable on/off performance. Improved conductivity and durability: All-copper construction delivers strong electrical conductivity and long-term mechanical life under normal operating conditions. Enhanced isolation and safety: The three-knife isolation switch provides robust separation of circuits during maintenance or fault conditions, improving safety and serviceability. Clear visual identification: The Hd11f standard yellow glass plate offers easy visual recognition in panels and switchgear. What it does and why you need it Controls and isolates circuits precisely when you need safe, repeatable switching in electrical systems. Minimizes downtime and wiring errors through an error-proof mechanism and clearly defined single-throw action. Extends service life and reduces contact losses by using all-copper components with good conductivity. Key specifications (as supplied) Model: Hd11f standard yellow glass plate Design: 100/38 single throw Switch type: Three-knife isolation switch Material: All copper components Operation: Error-proof switching for reliable and stable operation Compatibility and application notes Intended for use in electrical systems and switchgear that accept Hd11f standard yellow glass plate components with a 100/38 single throw configuration. Suitable for installations that require a three-knife isolation method for clear circuit separation. Typical use scenarios Industrial control panels: Provide precise on/off control and safe isolation for motor starters, contactors, and control circuits during operation and maintenance. Maintenance isolation on distribution boards: Offer visible, secure separation of live circuits when servicing equipment or performing safety checks. Small substations or switchrooms: Use as a compact isolation device where clear mechanical separation and reliable switching are required. What to expect in service Consistent switching performance with reduced operator error. Good electrical contact and heat performance due to all-copper construction when installed per system specifications. Clear mechanical isolation using the three-knife arrangement for safer maintenance operations. Ordering and installation tips Confirm the Hd11f standard yellow glass plate and 100/38 single throw fit your panel cutout and mounting requirements before ordering. Follow standard electrical installation practices and local codes when integrating the three-knife isolation switch into existing switchgear.