Latching Relays 25-80 Ampere 704

Product catalog summary

Overview: The document provides technical specifications and operational details for the Gruner AG Type 704 Polarized Latching Relay. This relay is designed for high resistance to shocks and vibrations, ensuring a defined switching position without information loss during power failures. It features a manual operation switch and complies with international standards.

Technical Specifications:

Coil Data: Rated voltage ranges from 6 to 48 VDC, with a rated power of 3.0 W and operating power of 2.0 W. The action time is less than 15 ms.
Contact Data: Maximum switching power is 10 kVA / 15 kVA, with a maximum switching voltage of 440 VAC and current of 40 A / 60 A. The contact material is AgSnO2.
Insulation: Features include a creepage and clearance distance of 8 mm, with test voltages of 4,000 V eff. for coil-contact and 1,500 V eff. for contact-contact.
General Data: The relay operates within an ambient temperature range of -25 to +70 °C and weighs 36 g. It conforms to VDE, UL, CSA, SEV, and SEMKO standards.

Design and Operation: The relay uses the H-armature principle for enhanced shock and vibration resistance. It requires only a short pulse for operation, minimizing coil heating. Manual switching is possible, and the relay maintains its position during power outages.

Compliance and Standards: The relay meets IEC and DIN EN 61810 part 1 / VDE 0435 part 201 standards, as well as overload and short circuit requirements of IEC and DIN EN 61036 / 61037.

Additional Features: The relay coil can be configured for double or single winding operation. It is dust-protected, and care must be taken during soldering to prevent flux and solder vapors from entering the relay.

Catalog excerpts

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