News

When the dynamic (normally open, H-type) coil is not powered, the two contacts are open, and when powered on, the two contacts are closed. Represen...

Rated operating voltage: refers to the voltage required by the coil of a relay for normal operation. Depending on the type of relay, it can be AC v...

Relays are key components in smart prepaid energy meters, and their lifespan to some extent determines the lifespan of the meter.

A relay is an electrical control device that causes a predetermined step change in the controlled variable in an electrical output circuit when the...

The main functions of relays include circuit switch control, signal amplification, and circuit protection.

Micro relay: a relay with a longest side dimension not exceeding 10 millimeters.

Electromagnetic relay: an electrical relay that operates by utilizing the attractive force generated by the current in the input circuit between th...

Electromagnetic relays are generally composed of iron core, coil, armature, contact spring, etc.

The correct connection methods for switches mainly include cascading, stacking, and clustering. ‌

The switch also has intelligent address learning function. By learning and recording the MAC addresses of network devices

When data is transmitted in the network, the switch can recognize the destination address of the data and quickly forward the data to the correct p...

Switches play a role in forwarding and filtering data transmission.