Trane DCS403/5100 Disconnect Switch

Description:

The Trane UHEC-DCS403 (TPI DCS403/5100) disconnect switch is used in Trane commercial electric unit heaters to provide a local means of safely disconnecting power for maintenance, servicing, and equipment isolation. Commonly installed in Trane UHEC series electric unit heaters and compatible 5100 Series fan-forced unit heaters requiring a factory or field-installed 40 Amp disconnect switch rated for up to 600 VAC. HVAC technicians, electricians, and facility maintenance personnel use this disconnect switch for equipment installation, replacement, preventive maintenance, and lockout/tagout procedures.

Applications:

The Trane UHEC-DCS403 disconnect switch is designed to provide a convenient, code-compliant means of disconnecting electrical power directly at the heater. It is commonly used in commercial buildings, warehouses, manufacturing facilities, workshops, distribution centers, and industrial heating applications where electric unit heaters require an integral service disconnect for safe maintenance and operation.

Technical Specifications:

• Manufacturer Part Number (MPN): UHEC-DCS403
• Alternate Part Number: DCS403/5100
• Manufacturer: Trane / TPI Corporation
• Product Type: Disconnect Switch
• Switch Type: Unit-Mounted Safety Disconnect Switch
• Current Rating: 40 A
• Voltage Rating: 120–600 VAC (Suitable for 600 VAC Systems)
• Number of Poles: 3 Pole
• Function: Local Electrical Power Isolation for HVAC Equipment
• Compatible Equipment: Trane UHEC Series Electric Unit Heaters and TPI 5100 Series Unit Heaters
• Installation Type: Factory or Field Installed
• Mounting Type: Unit Mounted
• Operating Positions: ON / OFF
• Application Environment: Commercial HVAC, Electric Unit Heaters, Industrial Heating Systems, Warehouses, and Manufacturing Facilities

Common Replacements:

• TPI DCS403/5100 40 Amp Disconnect Switch
• TPI DCS603/5100 60 Amp Disconnect Switch (higher-capacity applications)
• Trane OEM Unit Heater Disconnect Switch (model-specific replacement)