Phoenix Contact Disconnect Terminal Block UDMTK 5-P/P - 3101087
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Product Information
Full details
The Phoenix Contact UDMTK 5-P/P is a dual-level knife-disconnect terminal block designed for efficient and safe electrical connections in control cabinets. It offers integrated test socket screws for easy testing without disconnecting circuits, making it ideal for electricians and control system engineers. A key benefit is its space-saving design with two connection levels in a compact 6.2mm width. One caveat is its 400V voltage rating, which may not be suitable for high-voltage applications.
All features
| Model Part Number | 3101087 |
|---|---|
| Brand | Phoenix Contact |
Extended Product Information
FAQs
What is the maximum voltage and current rating for this terminal block?
The rated voltage is 400V and the rated current is 10A.
What types of conductors can be connected?
It supports solid-core, multi-wired, and fine-stranded conductors with cross-sections from 0.2 mm² to 4 mm² (AWG 24-12). Fine-stranded conductors may require cable end sleeves.
How do I use the integrated test socket?
Simply insert a standard 2 mm test plug into the designated test socket screw on the terminal block to measure voltage or continuity without disconnecting the main circuit.
What size DIN rail is required for mounting?
The terminal block is compatible with 35 mm DIN rails, specifically NS 35/7.5, NS 35/15, and NS 32 mounting rails.
What is the main advantage of the dual-level design?
The dual-level design allows for two rows of connections in a compact space, which helps in organizing wiring and saving valuable space within control cabinets.
How wide is this terminal block?
The terminal block has a width of 6.2 mm.
What material is the insulation body made of?
The insulation body is made of Thermoplastic with an inflameability class of UL94 V2.
Troubleshooting
Terminal block not mounting securely to DIN rail
Ensure the correct type of 35 mm DIN rail (NS 35/7.5, NS 35/15, or NS 32) is being used and that the rail is properly installed and secured.
Conductor not making good contact
Verify the conductor is stripped to the correct length and inserted fully into the terminal. Ensure the screw terminal is tightened sufficiently. For fine-stranded wires, confirm a cable end sleeve is used if required.
Test socket not accepting test plug
Confirm that a standard 2 mm test plug is being used. Ensure the test socket screw is slightly loosened if it's preventing insertion, then re-tighten once the plug is in place.
Knife disconnect is stiff or difficult to operate
Check for any debris obstructing the mechanism. Ensure the connected wires are not putting undue strain on the disconnect. Operate the disconnect mechanism several times to loosen it.
Pros and Cons
Pros
- Enables circuit testing without disconnecting main power.
- Dual-level design saves valuable space in control panels.
- Accommodates a wide range of wire sizes.
- Secure screw connections ensure reliable electrical contact.
- Compatible with standard DIN mounting rails.
- Durable construction with flame-retardant housing.
Cons
- Limited to a maximum of 400V rated voltage.
- Not suitable for applications requiring higher current ratings than 10A.
- Requires specific test plugs for the integrated test sockets.
- Disconnect mechanism requires manual operation.
Setup, Compatibility & Care
Setup:
- Mounting: Snap the terminal block onto a standard 35 mm DIN rail (NS 35/7.5, NS 35/15, or NS 32).
- Wiring: Strip the conductor ends to the appropriate length (refer to wire stripping guides for specific dimensions). Insert conductors into the screw terminals and tighten the screws firmly using a suitable screwdriver.
- Disconnecting: To disconnect a circuit, use a suitable tool to operate the knife-disconnect mechanism.
- Testing: Insert standard test plugs (e.g., 2 mm) into the integrated test socket screws for circuit diagnostics.
Compatibility:
- Mounting Rails: Compatible with Phoenix Contact NS 35/7.5, NS 35/15, and NS 32 mounting rails.
- Conductors: Suitable for solid-core, multi-wired, and fine-stranded conductors ranging from 0.2 mm² to 4 mm² (AWG 24-12). For fine-stranded conductors, use cable end sleeves for optimal connection.
- Test Plugs: Requires standard 2 mm test plugs for utilizing the integrated test sockets.
Care:
- Cleaning: Keep the terminal block clean and free from dust and debris. Use a dry or slightly damp cloth for cleaning. Avoid using solvents or abrasive cleaners.
- Inspection: Periodically inspect screw connections for tightness and ensure the disconnect mechanism operates freely. Check for any signs of damage or wear.