The Schneider 7S-SI-D is a modular spring-stored electric operating mechanism specifically designed for medium-voltage switchgear.
It is mainly used to drive the three-position disconnect switch/grounding switch, enabling the electric operation and remote control of the equipment.
• Modular compact design: Integrated structure, small installation space, directly integrated into the switch body
• Spring energy storage mechanism: Motor drives the spring for energy storage, releasing to complete the operation, not relying on continuous power supply
• Mechanical interlock by force: Built-in cam program mechanism, forcing the operation in the correct sequence to prevent incorrect actions
• Multi-power Supply Compatibility: Supports various power supply specifications including DC 24V/48V/110V/220V and AC 220V
• Dual Position Indication: Mechanical window local indication + auxiliary contact remote signal feedback
• High Reliability: Mechanical lifespan ≥ 10,000 times, suitable for frequent operation scenarios
• Five-prevention interlock: Achieves complete safety interlock with circuit breakers, cabinet doors, etc.
• Self-check of status: Equipped with functions such as energy storage status detection and motor protection
• Anti-jump protection: Prevents switches from repeatedly tripping in the event of a fault
| Parameter Category | Technical Specifications |
|---|---|
| Rated Voltage | DC 24V / 48V / 110V / 220V, AC 220V (optional) |
| Operating Power | Stored-energy motor: 100-300W (depending on model) |
| Spring Charging Time | ≤ 15 seconds (under full load) |
| Mechanical Life | ≥ 10,000 complete operating cycles |
| Protection Rating | IP54 (standard) |
| Operating Temperature | -25℃ ~ +70℃ |
| Auxiliary Contacts | 6-12 sets (NO/NC combination) |
| Position Indication | 3-position mechanical indicator + LED status indicator (optional) |
