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STRUTHERS-DUNN WM35A120A Mercury Displacement Relay
The STRUTHERS-DUNN WM35A-120A is a mercury displacement relay engineered for robust performance in demanding industrial environments. Its hermetically sealed design provides exceptional protection against arcing and ensures a long operational lifespan. Recommended for DC loads and applications requiring high inrush capacity, this relay offers reliable switching capabilities. The MDR provides protection to the user from arcing and other hazards of switching heavy loads with exposed contacts.
STRUTHERS-DUNN WM35A120A Mercury Displacement Relay Specifications:
- Coil Pull-in Voltage AC (50/60 Hz): < 80% of nominal
- Coil Pull-in Voltage DC: < 80% of nominal
- Coil Dropout Voltage AC (50/60 Hz): > 8% of nominal
- Coil Dropout Voltage DC: > 65% of nominal
- Maximum Voltage: 110% of nominal
- Coil Resistance Tolerance: +/- 10%
- Coil Power AC (50/60 Hz): VA
- Coil Power DC: V
- Insulation System: Per UL Standard 1446: Class B (130°C)
- Duty: Continuous
- Contact Load Ratings: Refer to Contact Load Ratings Table
- Minimum Recommended Load: 1 amp @ 5 VDC or 5 W @ 600 VAC
- Operate Time @ Nominal voltage: ms 50
- Release Time @ Nominal voltage: ms 80 to 100
- Coil to Contacts: Vrms 2650
- Across Open Contacts: Vrms 2650
- Pole to Pole: Vrms 2650
- Contacts to Frame: Vrms 2650
- Insulation Resistance: megohms 1000 @ 500 VDC minimum
- Operating Temperature AC Lower: -40 °C
- Operating Temperature AC Upper: +60 °C
- Operating Temperature DC Lower: -40 °C
- Operating Temperature DC Upper: +60 °C
- Storage Temperature Lower: -55 °C
- Storage Temperature Upper: +100 °C
- Electrical @ Rated Load (AC1): 100,000 operations
- Mechanical @ No Load: 5,000,000 operations
- Load Terminals: M35: AWG 6-14 wire
- Coil Terminals: #6-32 pan head screws
- Hermetically Sealed: Yes
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Frequently Asked Questions
Where can I buy STRUTHERS-DUNN WM35A120A?
You can click on the BUY or RFQ button to purchase WM35A120A from an authorized STRUTHERS-DUNN distributor.
How do I troubleshoot issues or seek technical support for part WM35A120A?
You can download the WM35A120A datasheet or visit the STRUTHERS-DUNN website for support.
Who is the manufacturer of WM35A120A?
STRUTHERS-DUNN