SD32 MTL Surge Protector | Oiltech Controls Fuse Disconnect

Technical Overview: MTL SD32 Specifications

• Manufacturer: MTL Instruments
• Model: SD32
• Nominal Voltage: 32Vdc / 22Vac
• Maximum Rated Current: 250mA
• Series Resistance: 4.2 Ω/line
• Bandwidth: 25kHz
• Voltage Protection Level: <45V (@1kV/µs)
• Special Feature: Integrated Fuse Disconnect
• Dimensions: 0.7cm x 9.9cm x 10.13cm

Oiltech Controls’s Insight: Applications & Suitability

• The SD32 excels in field junction boxes where integrated circuit isolation is necessary for safety.
• Ideal for protecting 2-wire and 4-wire transmitters, gas detectors, and specific valve positioning systems.
• The fuse disconnect feature simplifies manual circuit maintenance without disconnecting physical field wiring.
• This model provides robust defense against high-energy surges in harsh industrial environments.
• Technical inquiries are welcome at info@oiltechcontrols.com.

Logistics & Quality Assurance

• We process all orders for fast dispatch within 24–28 hours of payment confirmation.
• Your SD32 shipment is handled via premium couriers: Fedex, UPS, or DHL.
• Standard warranty includes 12 months of coverage against any factory-originated defects.
• Get live support via WhatsApp at +86 158 8020 0923 for any tracking assistance.

Professional FAQ & Selection Guide

• Q: What is the primary benefit of the fuse disconnect feature?
  A: It provides a secure way to isolate the circuit from the surge protector without removing the device from the rail.
• Q: How does the 4.2 ohm resistance affect my loop performance?
  A: It is optimized to maintain signal accuracy for low-current instrumentation while providing necessary surge impedance.
• Q: Is the SD32 suitable for high-vibration areas?
  A: Yes, its slim profile and secure DIN-rail locking mechanism handle vibrations typical in industrial process zones.
• Q: When should I choose the SD32 over other non-fused models?
  A: Choose it if your safety protocol requires physical circuit disconnection capabilities during routine instrument maintenance.
• Q: Can this unit protect against lightning-induced surges?
  A: It handles induced transient spikes effectively; for direct lightning strikes, additional primary protection is recommended.

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