1sna399519r0000 – db2,5/5,ado

Why Choose the TE Connectivity DB2,5/5.ADO 1SNA399519R0000 Terminal Block?

The TE Connectivity DB2,5/5.ADO 1SNA399519R0000 is a compact feed-through miniature terminal block combining ADO and screw-clamp connection technologies. Designed for applications where installation space is restricted, this grey Entrelec terminal provides a practical interface between fast ADO insulation-displacement wiring and conventional screw-clamp conductor termination.

The DB2,5/5.ADO uses an ADO connection on one side and a screw-clamp connection on the other. Its ADO side accepts rigid conductors from 0.2–1 mm² and flexible conductors from 0.22–1 mm², while the screw-clamp side accommodates rigid conductors up to 4 mm² and flexible conductors up to 2.5 mm². Up to two conductors can be connected per ADO connection point.

With a narrow 5 mm spacing, dimensions of approximately 31 × 5 × 28 mm and a weight of only 4 g, the DB2,5/5.ADO is particularly suitable for compact electrical assemblies. It is rated at 13.5 A and 800 V under IEC specifications and provides IP20 protection at the main terminals.

Key Advantages

• Compact miniature feed-through terminal block for space-restricted electrical assemblies.
• Combines ADO insulation-displacement and screw-clamp connections in one terminal.
• 13.5 A IEC rated current at a rated cross-section of 1 mm².
• 800 V IEC rated voltage for industrial electrical applications.
• Narrow 5 mm spacing supports high-density terminal installations.
• Screw-clamp side accepts rigid conductors up to 4 mm².
• ADO connection supports up to two conductors per connection point.

Key Features

• TE Connectivity Entrelec DB2,5/5.ADO miniature feed-through terminal block.
• ADO System / screw-clamp hybrid connection technology.
• 1 mm² IEC rated cross-section.
• 13.5 A IEC rated current.
• 800 V IEC rated voltage.
• 8 kV impulse withstand voltage.
• 120 A short-time withstand current for 1 s.
• 9.5 mm conductor stripping length for the ADO connection.
• IP20 protection at the main terminals.
• Polyamide insulation with UL 94 V-0 flammability classification.
• Operating temperature range of -55 to +110 °C.
• Compact grey housing measuring approximately 31 × 5 × 28 mm.

Compact ADO and Screw-Clamp Connection Technology

The DB2,5/5.ADO is designed specifically for electrical assemblies where available mounting space is limited. Its 5 mm spacing and miniature housing allow designers and panel builders to accommodate more connection points within compact equipment while retaining practical conductor access.

Combining ADO insulation-displacement technology with a conventional screw clamp also provides flexibility during installation. The ADO side enables rapid termination of compatible conductors, while the screw-clamp side accommodates a wider conductor range of up to 4 mm² rigid, making the terminal useful for interfacing different wiring requirements within industrial equipment.

Typical Applications

• Compact industrial control-panel wiring.
• Machine-building electrical assemblies.
• Automation and instrumentation equipment.
• Space-restricted electrical connection systems.
• Control and signal circuit wiring.
• Applications requiring an interface between ADO and screw-clamp connections.