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WEIDMULLER MA15D1SI Surge Protector

The MA15D1SI is an AC and DC surge protector designed to safeguard electronic equipment and computer networks from power supply noise, surges, and electrical interference. It filters industrial noise and suppresses surges caused by lightning, switching devices, thyristor controls, transmission overloads, and power-factor correction circuits. Ideal for panel-mounted applications, particularly in motor control centers, this DIN-rail mounted unit provides reliable surge and RFI protection for loads up to 15A in series, with features like thermal and short-circuit protection, LED indicators, and filtering. Suitable for power management, industrial environments, motor drives, control systems, and peripherals.

Authorized Distributors
Source:Newark
Part No:MA15D1SI
Stock:176
Inv Date:06-11-2026
Price: Unit price: $376.14
Buy/RFQ:
Source:DigiKey
Part No:MA15D1SI
Stock:36
Inv Date:06-11-2026
Price: Unit price: $388
Buy/RFQ:
Part No:MA15D1SI
Stock:78
Inv Date:06-12-2026
Price: Unit price: $383.61
Buy/RFQ:

WEIDMULLER MA15D1SI Surge Protector Specifications:

  • Weight: 100g
  • Maximum Leakage Current: 0.3mA
  • Surge Attenuation: -65dB @ 100 MHz
  • Continuous Operating Current: Typical 154A
  • Rated Voltage: 120V AC
  • Impulses Handling: 295V @ 500A, 320V @ 500A 8/20 us, 396V @ 3kA 8/20 us, 595V @ 10kA 8/20 us
  • Protection Modes: LN, L-G, NG
  • Temperature Range: Room temperature at 25°C
  • Humidity: 95 % without condensation
  • Approvals: UL 1449 Recognised, UL 1604, Hazardous Locations Class 1 Division 2 Groups A, B, C, D T4
  • Mounting: DIN-rail
  • Connection: Terminals 2.5 mm² (12 AWG)
  • EMC Standards: BS EN 60950: 1992, BS EN 61000-6-2: 1999
  • Symptoms Indicator: Green LED for protection status, off indicating internal error
  • Dimensions: Not specified
  • Operating Environment: Suitable for industrial and electrical control environments

Buy the Weidmueller MA15D1SI – Reliable Surge Protector for Industrial Applications

Purchase the Weidmueller MA15D1SI surge protector online today to enhance the safety and reliability of your power systems. Designed for industrial environments, it offers robust surge suppression, filtering, and LED status indicators to ensure continuous operation. Its DIN-rail mounting makes installation straightforward in motor control centers and control panels. With UL recognition and a maximum leakage current of just 0.3mA, this unit provides effective protection against voltage surges and electrical noise, safeguarding sensitive electronic equipment and network devices effectively.

Order your Weidmueller Series MA15D1SI surge protector today and ensure your industrial and electronic systems are protected against surges and noise.

Frequently Asked Questions

Where can I buy WEIDMULLER MA15D1SI?

You can click on the BUY or RFQ button to purchase MA15D1SI from an authorized WEIDMULLER distributor.

How do I troubleshoot issues or seek technical support for part MA15D1SI?

You can download the MA15D1SI datasheet or visit the WEIDMULLER website for support.

Who is the manufacturer of MA15D1SI?

WEIDMULLER

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