Macurco
MACURCO DVP-120B Gas Detection Control Panel,12-1/2 in H 786VH2
The CARRIER brand has been around for ages, and that counts for something.
Macurco PS-24 4 Pk 24VDC Operating Voltage Plug-In Adapter
What I appreciate about the GPP7460 is its quiet hum that doesn't disturb coworkers.