EDN

Double Pole Single Throw DPST Relay

The Double Pole Single Throw DPST relay is the equivalent of 2 SPST switches (NO Normally Open and NC Normaly Closed) and can be used to switch 2 different loads. As you can see in the schematics ...
EDN

15 kV Double Pole Double Throw (DPDT)

GIGAVAC, Today’ Expert in High Voltage Relays & Sealed Contactors, announces three brand new 15 kV Double Pole Double Throw (DPDT) compact high voltage relays—models G2SPD, G8SPD and G15SPD. The G2SPD ...
Automation World

Double-Throw Relay Modules Handle Robust Applications

WAGO Corporation's new line of DIN-rail mount 858 Series four-pole, double-throw industrial relays are engineered for robust applications requiring compact signal switching for power and control. The ...
Electropages

Expanded ultra-high-density reed relay series adds new form factors

Pickering Electronics has expanded its ultra-high-density Series 125, which already offers the industry’s smallest 2 Form A DPST (double-pole, single-throw) reed relay, adding 1 Form A, 1 Form B, 1 ...
Machine Design

Basic switch configurations and symbols

There are standard designations and symbols that describe how electrical contacts work in specific scenarios. These designations spell out the number of contacts and how they behave during operation.