Product Short Description
Product Series: Siemens Medium & High Voltage Switchgear Control Module Series
Product Brief: Dedicated control circuit board for Siemens medium and high voltage switchgear and power distribution control equipment. It realizes signal collection, logic interlock, protection judgment and auxiliary control for power switchgear, and is a core control component of power transmission and distribution systems.
Description
- Operating Supply Voltage: 110 V DC / 220 V DC
- Operating Temperature: -10 °C ~ +55 °C
- Storage Temperature: -25 °C ~ +70 °C
- Relative Humidity: 10% ~ 90% RH (Non-condensing)
- Signal Input Type: Discrete switching signal
- Control Output Type: Relay contact output
- Dielectric Withstand Voltage: 2800 V AC
- Collection of switchgear position signals, state feedback and interlock signals
- Logic judgment and interlock protection for high-voltage switchgear
- Relay output for switch closing, opening and auxiliary circuit control
- Over-voltage and over-current protection for internal circuits
- Running status and fault signal remote transmission
- Hardware anti-interference design for power distribution environment
- Total Power Consumption: ≤ 10 W
- Relay Contact Rated Capacity: 250 V AC, 6 A
- Vibration Resistance: 10 Hz ~ 120 Hz, 0.6 g
- Shock Resistance: 14 g peak acceleration
- MTBF: ≥ 93000 hours
- Main PCB: High-voltage resistant FR-4 thick copper circuit board
- Core Components: Industrial logic chips, electromagnetic relays, high-voltage protection components
- Connectors: High-voltage resistant aviation connectors with nickel-plated contacts
- Surface Coating: Anti-dust, anti-moisture and anti-corrosion conformal coating
- Fixed Parts: High-rigidity insulating brackets
- Flat embedded circuit board structure with standard positioning holes
- Partition layout for signal area, logic area and power output area
- Edge locking structure for fixed installation inside switchgear cabinet
- Fully coated circuit surface for environmental protection
- Concentrated layout of external connectors on one side for unified wiring
The circuit board receives position and interlock signals from high-voltage switchgear. Internal logic circuits execute interlock and protection judgment according to preset logic. Control signals drive internal relays to act, so as to control the closing and opening actions of switchgear. The protection circuit monitors internal operating parameters in real time and cuts off abnormal circuits to ensure equipment safety.
- High dielectric strength, adapting to strong electric field environment of high-voltage power distribution
- Professional interlock logic design, ensuring safe operation of switchgear
- Full surface conformal coating, excellent moisture-proof and anti-corrosion performance
- Stable relay output, suitable for long-term frequent switching tasks
- Compact embedded structure, matching internal installation space of switchgear
Power grid transmission and distribution, industrial high-voltage power distribution rooms, substation equipment, railway power supply, metallurgy power distribution system
- Embed and fix inside Siemens dedicated high-voltage switchgear cabinet
- Fasten all positioning holes with insulated non-conductive fasteners
- Use high-voltage resistant dedicated cables for wiring
- Maintain good ventilation inside the switchgear cabinet
- Strictly follow high-voltage electrical safety regulations for installation
- Cut off high-voltage and control power supply before maintenance and disassembly
- Do not scratch the surface conformal coating to avoid reducing protection performance
- Regularly check relay contact status and connector tightness
- Prohibit modifying onboard circuit components and wiring arbitrarily
- Keep away from conductive dust and moisture in switchgear cabinet
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