The meaning of the Acronym SPST is...

SPST is

• Single Pole Single Throw

More Meanings For SPST:

• Single Pole Single Throw
• Spencer's Restaurants, Inc.
• Single Pull Single Throw
• Same Place Same Time
• Structure, Process, Strategy, Tactics

SPST is also in:

• Electronics
• Military
• NASDAQ Symbols
• Products
• SMS