Overview
The Reliance Electric P-809826 R66B3-50 terminal block is a high-density telecommunications punchdown block designed for reliable wire termination in industrial and communications applications. This 50-row terminal block features 6 punchdown points per row, providing 300 total connection points. New in box condition ensures the product is ready for immediate installation without prior use or damage.
Key Features
- 50 rows of 6 punchdown connection points (300 total pins)
- Compact dimensions: 13 inches wide × 2-3/4 inches deep
- Standard R66B3 form factor for telecommunications equipment
- New in box condition — unused and fully functional
- Suitable for harsh industrial environments
- Drop-in replacement for legacy telecommunications systems
Technical Specifications
- Manufacturer: Reliance Electric
- Part Number: P-809826
- Model Designation: R66B3-50
- Federal Stock Class: 5940-00-494-9697
- FSCM Code: 77554
- Total Connection Points: 300 pins
- Configuration: 50 rows × 6 punchdown
- Width: 13 inches
- Depth: 2-3/4 inches
- Block Type: Punchdown terminal block
- Application Class: Telecommunications / Industrial
- Condition: New in Box
Typical Applications
The Reliance R66B3-50 terminal block is commonly used in:
- Telecommunications systems and telephone exchanges
- Legacy industrial control panel wiring
- Cross-connect and distribution frames
- Communication equipment patching and termination
- Multi-line telephony systems
- Industrial facility backbone cabling infrastructure
Compatibility & Replacements
Compatible With
- Reliance Electric legacy telecommunications equipment
- R66B series punchdown block systems
- Standard 66-type punchdown blocks and frames
- Industrial telephone and communication distribution panels
- Legacy PBX and telecommunications switching systems
Replaces / Drop-In Replacement For
- Original equipment manufacturer R66B3-50 units
- Equivalent 50-row 6-position punchdown terminal blocks
- Verify specific system compatibility before installation
Works With
- Standard punchdown installation tools (66-type punch-down frames)
- Industrial telephone wiring systems
- Telecommunications cross-connect cabling
- Multi-pair cable termination systems





