What stands out about this relay is its White-Rodgers branding, a name long associated with electrical components.
White Rodgers 90-340 Switching Relay DPDT 24VAC Coil 91-901
This model carries the White-Rodgers name, a brand that has been around in the electrical field.
The model reads N/A, which makes sense when you only need a standard relay and a part number is unimportant.
You will find that QWORK branding is legible, making this relay easy to spot on a busy panel.