Reliable Power Replacement for HUMAX and Spectrum Cable Set-Top Boxes

When a cable television receiver stops powering on, the issue is often caused by a failed external power adapter rather than the set-top box itself. The Delta ADP-36KR A EPS-3 provides a 12V DC, 3A power output designed for compatible HUMAX and Spectrum cable box applications requiring a matching voltage, current rating, and DC connector.

This adapter is identified by Delta Electronics as model ADP-36KR A with the EPS-3 platform designation. The label also identifies HUMAX as the customer and DT1230WCUS2A as the HUMAX part number, connecting this power supply to specific cable set-top box equipment platforms. Public replacement references associate this adapter with Spectrum 100, 110, 200, and related STB series.

Equipment Applications

This adapter is primarily used for cable television receiver equipment rather than general-purpose 12V electronics. Compatible applications include:

• HUMAX DT1230WCUS2A Cable Set-Top Boxes
• Spectrum 100 Series STB
• Spectrum 110 Series STB
• Spectrum 200 Series STB
• Spectrum 210 Series STB
• Cable receiver equipment requiring matching 12V DC power input

Technical Specifications

OEM Replacement Compatibility

This adapter is associated with the following model references:

• Delta ADP-36KR A
• Delta EPS-3
• HUMAX DT1230WCUS2A

Some replacement listings also reference Challenger Cable Sales PS-3.3-12-3-DC1 and PS33123DC1 as compatible replacement identifiers for the same 12V 3A 36W STB power platform. Always verify the adapter label and connector before replacement.

Compatible Devices

Designed for cable television and set-top box equipment requiring a matching 12V DC power source, including:

• HUMAX DT1230WCUS2A Set-Top Box
• Spectrum 100 Series Cable Receiver
• Spectrum 110 Series Cable Receiver
• Spectrum 200 Series Cable Receiver
• Spectrum 210 Series Cable Receiver

Replacement Considerations

A compatible replacement adapter must match four critical specifications: output voltage, current capacity, connector type, and polarity. The Delta ADP-36KR A provides 12V DC output at 3A, making it suitable only for devices designed around these electrical requirements.

Before ordering, compare your existing adapter label with this product information. Confirm the model number, output rating, and DC plug configuration to ensure proper compatibility with your cable box or receiver.

FAQ

Q: What devices use the Delta ADP-36KR A EPS-3 adapter?
A: This adapter is associated with HUMAX DT1230WCUS2A cable set-top box equipment and Spectrum STB platforms requiring 12V DC power.

Q: What are the output specifications of the ADP-36KR A?
A: The adapter provides 12V DC output at 3A with a maximum rated power of 36W.

Q: Can this replace Challenger PS-3.3-12-3-DC1?
A: The Delta ADP-36KR A and Challenger PS-3.3-12-3-DC1 are commonly referenced together in replacement markets for compatible STB applications. Verify connector and electrical specifications before replacement.

Q: Can this adapter be used with any 12V device?
A: No. The device must require 12V DC input and match the connector size, polarity, and current requirements.

Q: What connector does this adapter use?
A: This adapter uses a 5.5mm DC barrel connector according to replacement references. Confirm the physical connector before purchase.

The Delta ADP-36KR A EPS-3 is a 36W AC/DC power adapter designed for compatible HUMAX and Spectrum cable television set-top boxes. Providing 12V DC at 3A with a 5.5mm x 2.1mm barrel connector, it replaces matching power supplies used with HUMAX DT1230WCUS2A and related Spectrum STB equipment. This adapter helps restore operation when the original external power supply is missing or no longer functioning.

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