Phoenix Contact Test Disconnect Terminal Block - URTK/SP - 0311126
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Product Information
Full details
The Phoenix Contact URTK/SP (0311126) is a professional-grade test disconnect terminal block engineered specifically for current transformer secondary circuit testing and measurement applications in industrial electrical systems. It is ideal for technicians and engineers who require secure, touch-proof testing capabilities without disconnecting field wiring, though it requires precise installation on standard mounting rails to ensure proper mechanical stability.
All features
| Model Part Number | 0311126 |
|---|---|
| Brand | Phoenix Contact |
Extended Product Information
FAQs
What is the maximum wire size this terminal block can accept?
The URTK/SP accepts wires up to 10 mm² (approx. 10 AWG).
Is this terminal block suitable for high-temperature environments?
Yes, it is rated for operation in temperatures ranging from -60°C up to +110°C.
Does this module come with bridges?
No, bridges are accessories that can be fitted to the terminal block but are typically sold separately.
Can I use this on a NS 35/7.5 rail?
Yes, it is compatible with NS 35/7.5, NS 35/15, and NS 32 rails.
Are the test sockets touch-proof?
Yes, the 4 mm diameter test sockets are permanently integrated and designed to be touch-proof.
What is the material of the terminal housing?
The housing is made of a high-quality, halogen-free polymer that meets UL94 V0 flammability standards.
Troubleshooting
High resistance reading at connection
Verify the wire is properly inserted and the screw terminal is torqued to manufacturer specifications.
Test probe does not fit securely
Ensure the test probe is a standard 4 mm diameter type and check the socket for any obstruction.
Terminal block moves on the DIN rail
Ensure the base latch is fully engaged and consider adding end clamps to prevent lateral sliding.
Pros and Cons
Pros
- Integrated touch-proof test sockets enhance user safety
- High current and voltage ratings suit heavy-duty industrial applications
- Wide wire gauge compatibility provides installation flexibility
- Durable, flame-retardant construction materials
- Compatible with multiple common DIN rail standards
Cons
- Requires manual screw tightening for each connection point
- Single-level design may require more rail space than multi-level blocks
- Specifically designed for test/disconnect functions, may be overkill for simple pass-through applications
Setup, Compatibility & Care
To install, snap the terminal block onto your existing NS 35 or NS 32 rail. Ensure wires are stripped to the appropriate length and tightened within the screw terminals to ensure a gas-tight connection. Periodically inspect the terminals for signs of vibration-induced loosening, especially in high-vibration industrial settings. The polymer housing is halogen-free and resistant to various industrial chemicals, but avoid using harsh solvents when cleaning. Ensure that the test sockets remain free of debris to maintain a reliable contact point for probes.