
Robertshaw 620-403: Class 2 Transformer, 120V AC Primary to 24V AC Secondary (40 VA), Universal Mount
Therm Coil Drawing No.: 337N-1003-001
Therm Coil Model No.: TB-40A
Robertshaw Part No.: 620-403 / 620-40C
Description
This open class 2 transformer has a universal mount with foot, hub mount, or 4x4 plate options. It is rated to take primary voltage of 120V AC to output secondary voltage of 24V AC with a power rating of 40 VA. The primary and secondary leads each have a length of 8".
Unlike enclosed transformers, open transformers may be customized with a circuit breaker, fuses, or other protective devices. These are suitable for use on most HVAC and refrigeration control systems, digital controllers, motor actuators, staging controls, ignition systems, and gas controls.
Features
• UL approved 1411
• Meets applicable NEMA standards
• Thermal fuse protection
Specifications
Cat. No.: 4011MW
Connection, Primary: 8' Long Wire Leads (203 mm)
Connection, Secondary: 8" Long Wire Leads (203mm)
Enclosure: None (Open)
Mounting: Foot, Hub Mount, or 4x4 Plate
Primary (Input) Voltage: 120V AC, 50/60 Hz
Overall Depth: 3.25"
Overall Height: 2.75"
Overall Width: 2.44"
Phase: Single
Power Rating: 40 VA
Protective Device: Primary Fuse
Secondary (Output) Voltage: 24V AC, 50/60 Hz