5.8 x 5.8 x 7.35mm SMD Normally Closed (NC) Push Switch | Smart Meter Tamper Detection

By /
5.8x5.8x7.35mm low height smd push switch

5.8 x 5.8 x 7.35mm SMD Normally Closed (NC) Push Switch | Smart Meter Tamper Detection

Size:
5.8×5.8×7.50mm height
Function:
Momentary ON (Non lock), DPDT switch
Rating:
10 mA, 30 VDC
Part code:
PS-2258-750-SMD-4PIN-NC
Enquiry
Data Sheet
Category:

In the critical design of smart energy meters, security starts at the hardware level. The 5.8 x 5.8 x 7.35mm SMD Normally Closed (NC) Push Switch by Pran Electronics Pvt. Ltd. is a specialized security component engineered for high-precision cover-open and tamper detection.

Unlike standard push buttons, this Normally Closed (NC) variant is designed specifically for security loops, ensuring that any physical breach of the meter casing is immediately flagged by the system.

Optimized for Smart Meter “Cover-Open” Detection

For utility providers, preventing unauthorized access is paramount. This Pran Electronics switch is the gold standard for Anti-Tamper mechanisms:

  • Normally Closed (NC) Logic: In its default state (cover removed), the circuit is closed. When the meter cover is installed, it presses the 7.35mm plunger, opening the circuit.

  • Instant Breach Trigger: The moment the cover is pried open or removed, the switch returns to its “Closed” state, completing a signal loop that triggers a tamper alert to the utility’s central server via GPRS/NB-IoT.

  • Surface Mount (SMD) Efficiency: Designed for modern high-speed SMT assembly lines, allowing for lower production costs and a smaller PCB footprint compared to through-hole alternatives.

Key Features & Performance

  • Ultra-Compact Footprint: The 5.8×5.8mm base allows for seamless integration into crowded smart meter PCBs alongside communication and metrology chipsets.

  • Precision 7.35mm Height: Specifically calibrated to interface with the internal ribs of standard smart meter housings without requiring additional mechanical levers.

  • High-Reliability NC Contacts: Features silver-plated contacts to ensure a low-resistance connection that remains stable over the 10–15 year lifecycle of a smart meter.

  • SMD / Surface Mount Design: Compatible with lead-free reflow soldering processes, meeting global environmental and manufacturing standards.

  • Made in India: Manufactured by Pran Electronics Pvt. Ltd. in India, ensuring localized technical support, rapid prototyping, and adherence to IS security requirements.

Technical Specifications

Feature Specification
Dimensions 5.8 x 5.8mm
Plunger Height 7.35mm
Mounting Type Surface Mount (SMD / SMT)
Circuitry Normally Closed (NC) – Momentary
Contact Material High-Grade Silver Plated Copper Alloy
Operating Temp Industrial Grade -40 to +85 Deg. C
Application Smart Meter Tamper / Case Open Detection

Why Choose Pran Electronics for Tamper Security?

Pran Electronics Pvt. Ltd. is a leading name in Indian electro-mechanical manufacturing. Their switches are specifically tested for the unique demands of the power sector:

  1. Anti-Vibration Design: The SMD terminals are engineered to withstand the vibrations of transport and installation without losing contact integrity.

  2. Oxidation Resistance: Since tamper switches may stay depressed for years, Pran uses high-quality plating to prevent “contact sticking” or oxidation, ensuring the switch works perfectly the moment a breach occurs.

  3. Revenue Protection: By providing a fail-safe mechanical trigger, this switch helps DISCOMs reduce non-technical losses (NTL) and electricity theft.

Primary Applications

  • Single-Phase & Three-Phase Smart Meters: For main cover and terminal cover security.

  • Industrial IoT Enclosures: Protecting sensitive data loggers from physical interference.

  • Telecommunications Cabinets: Monitoring door access in remote outdoor locations.

Related products

Scroll to Top