They can be used as selector switch. It was made for elevator key switch lock with wire harness and 2pcs keys included for fire service phase 2 operation. 
They are keyed alike to F204 code. Also comes with 5x38 inches wire leads. 3 position 2 key-pull (positions that key can be removed) operation as shown in below chart.
 

Keypull diagram:



10:30, maintain, keypull
12:00, maintain, keypull
1:30, maintain, no keypull


Technical Details
Mounting Hole: Double D, 0.633" x 0.750"Contact Rating: 4A @115 VAC or 2A @250 VAC.
Number of Terminals: 8 (5 wires)Circuit Type: SPDT
Terminals Type: Soldered with wire leadsContact Action: Maintained / No Spring Back
Keying: Double Bitted keysSwitch Function: 3 Position Selector with 2 Key-pull
Key Switch Finish: Bright ChromeStandards: UL