The Siemens 3KX3552-1YD is an auxiliary switch (1NO + 1NC) used with the Superswitch 3KL8 / 3KA8 switch disconnector fuse system. It is designed to provide electrical feedback signals of the main switch position (ON/OFF/TRIP status indication) for monitoring and control purposes.
This accessory is widely used in industrial switchboards, MCC, PCC, and automation systems where remote status indication or interlocking is required.
• Siemens Superswitch accessory
• Model: 3KX3552-1YD
• Type: Auxiliary Switch Block
• Contact configuration: 1NO + 1NC
• Compatible with 3KL8 / 3KA8 switch disconnectors
• Provides electrical status feedback (ON/OFF indication)
• Used for control and monitoring circuits
• Snap-on mounting on switch disconnector
• High reliability silver alloy contacts
• Compact industrial design
• Suitable for PLC and control panel integration
• Maintenance-free operation
• Designed for harsh industrial environments
• Ensures safe and accurate signal transmission
| Parameter | Specification |
|---|---|
| Product Series | Siemens Superswitch 3KL8 / 3KA8 |
| Model Number | 3KX3552-1YD |
| Product Type | Auxiliary Switch Block |
| Contact Type | 1NO + 1NC |
| Function | Position indication (ON/OFF feedback) |
| Mounting | Direct attachment on switch disconnector |
| Application | Control & monitoring circuits |
| Compatibility | 3KL8 / 3KA8 switch disconnectors |
| Rated Voltage (typical) | Up to 250V AC (control circuit use) |
| Rated Current (typical) | 3–6A (auxiliary contact duty) |
| Material | Industrial-grade thermoplastic housing |
| Brand | Siemens |
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