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Robertshaw Open Class 2 Transformer - Open Class 2 Transformers
RobertshawOpen Class 2 Transformers

Robertshaw Open Class 2 Transformer

The ROBERTSHAW Class 2 Transformer (MPN 620-501) is an open-style transformer with a 50 VA power rating. It features a foot mounting, a 240V AC primary input, and a 28V AC secondary output. Primary connection is via…

SKU 3G-OTH-49291

Also listed as: 620501 · 620 501

Brand
Robertshaw
Item
Open Class 2 Transformer
Part Number
620-501
Category
Open Class 2 Transformers
Available to Order
Also known as:620-501Robertshaw
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Technical Specifications

Robertshaw
Manufacturer Part Number
620-501
Type
Primary Fuse
AC
28V
Mounting
Foot
Input Voltage
240V AC
Output Voltage
28V AC
AC/208V AC/240V AC
120V
Connection - Primary
Wire Lead
Connection - Secondary
Screw Terminal

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Robertshaw Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROBERTSHAW Class 2 Transformer (MPN 620-501) is an open-style transformer with a 50 VA power rating. It features a foot mounting, a 240V AC primary input, and a 28V AC secondary output. Primary connection is via wire lead, while the secondary connection uses a screw terminal.

Frequently Asked Questions

What is the ROBERTSHAW Class 2 Transformer 620-501 used for?

The ROBERTSHAW Class 2 Transformer 620-501 is used to step down a 240V AC primary input to a 28V AC secondary output for low-voltage control circuits in HVAC systems, boilers, and industrial automation. Its 50 VA power rating and foot mounting make it suitable for panel or equipment installation.

What are the specifications of the ROBERTSHAW Class 2 Transformer 620-501?

The ROBERTSHAW Class 2 Transformer 620-501 has a 50 VA power rating, 240V AC primary input, and 28V AC secondary output. It features a primary fuse, foot mounting, wire lead primary connection, and screw terminal secondary connection. Input voltage options include 120V AC, 208V AC, and 240V AC.

Where to buy the ROBERTSHAW Class 2 Transformer 620-501 worldwide?

You can source the ROBERTSHAW Class 2 Transformer 620-501 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this open-style transformer.

How to install the ROBERTSHAW Class 2 Transformer 620-501?

Mount the ROBERTSHAW Class 2 Transformer 620-501 securely using its foot mounting bracket. Connect the primary wire leads to a 240V AC supply (or 120V/208V AC as applicable) and the secondary screw terminals to the 28V AC load circuit. Ensure the primary fuse is correctly rated and installed before powering on.

Used in

Common applications for Robertshaw
Commercial cooking equipment — Robertshaw 66004-AF80 electric cooking limit control for Whirlpool ovens and fryers, 240 V AC, 1 in stem.
Industrial vibration monitoring — Robertshaw 6000-107 mechanical vibration sensor switch with DPDT contacts, 7 A at 460 V AC, hazardous location rated.
Gas-fired appliance repair — Robertshaw Unitrol button (BLO10318) for gas control assemblies in heating and cooking equipment.
Commercial ovens and griddles — Robertshaw 5225-112 electric limit control with 100 to 450 dial, 30 in capillary, 250 V AC.
Foodservice equipment maintenance — Robertshaw 5502-307M electric cooking control for Nemco applications, 120 V AC, 1 1/8 in stem.
OEM replacement for Electrolux cooking appliances — Robertshaw 66004-AF71 electric limit control, 240 V AC, 3/4 in stem.
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Robertshaw Products

3G Electric supplies Robertshaw open class 2 transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Open Class 2 transformer with foot mounting. Input voltage 240V AC; output voltage 2.5V AC. Wire lead connections on primary and secondary. Commonly used to step down line voltage for low-voltage control circuits in HVAC and industrial equipment
Robertshaw
Open Class 2 transformer with foot mounting. Input voltage 240V AC; output voltage 2.5V AC. Wire lead connections on primary and secondary. Commonly used to step down line voltage for low-voltage control circuits in HVAC and industrial equipment

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