Schneider Electric Interpact INS Disconnector - 4 Pole - 80A
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Tameson UKSchneider Electric Interpact Disconnector - 28905
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Product Information
Full details
The Schneider Electric Compact INS80 is a 4-pole switch-disconnector designed for robust main switch applications. It offers a reliable 80A current rating and is ideal for industrial and commercial electrical distribution systems requiring a dependable isolation point. A key benefit is its interlockable design for enhanced safety, though its IP40 rating means it's best suited for indoor, protected environments.
All features
| Series | Interpact INS |
|---|---|
| Model Part Number | 28905 |
| Brand | Schneider Electric |
Extended Product Information
FAQs
What is the primary function of the Compact INS80?
The Compact INS80 serves as a main switch and switch-disconnector, providing a reliable means to isolate electrical circuits for safety during maintenance or operation.
What does the IP40 rating signify?
IP40 indicates that the device is protected against solid objects larger than 1mm (like wires or tools) and offers no protection against water ingress. It is suitable for indoor use in protected environments.
Can this disconnector be used for motor control?
Yes, it is rated for AC-23A applications up to 72A at 400V, which is suitable for controlling motors and similar inductive loads.
How many auxiliary contacts does it have and what type are they?
It includes 2 auxiliary contacts, both of which are change-over (SPDT) contacts. These can be used for signaling or interlocking purposes.
What are the mounting options for this device?
The INS80 supports multiple mounting methods including floor mounting, front mounting (both 4-hole and center variants), and installation within distribution boards.
Is it possible to lock the disconnector in a specific position?
Yes, the disconnector is designed to be interlockable, allowing it to be secured in either the ON or OFF position using a padlock (padlock not included).
What is the rated short-circuit breaking capacity?
The device has a rated short-time withstand current (lcw) of 3 kA and a conditioned rated short-circuit current (Iq) of 36 kA. It should be used with appropriate upstream overcurrent protection.
Troubleshooting
Disconnector will not switch ON/OFF
Ensure the operating handle has clear space for full rotation. Check if the interlock mechanism is engaged or obstructed. Verify no external locking devices are preventing movement.
Auxiliary contacts not functioning
Verify wiring to the auxiliary contacts is correct and secure. Ensure the main switch position is correctly actuating the change-over contacts. Check for continuity of the contacts using a multimeter when the main switch is in different positions.
Overheating at terminals
Check that the conductor size is appropriate for the terminal. Re-torque screw connections to the manufacturer's recommended specification. Ensure no corrosion is present on the conductors or terminals.
Device does not fit intended mounting location
Confirm the correct mounting method (floor, front 4-hole, front center, or distribution board) is being used and that the mounting surface is prepared according to the dimensions (90mm Width, 62.5mm Depth, 85mm Height).
Pros and Cons
Pros
- High current rating (80A) suitable for substantial loads.
- 4-pole configuration ensures complete circuit isolation.
- Interlockable feature enhances operational safety.
- Versatile mounting options for different installation scenarios.
- Includes auxiliary contacts for integrated control systems.
Cons
- IP40 rating limits use to dry, protected indoor environments.
- Short-time withstand current (lcw) of 3 kA may be insufficient for very high fault current applications without upstream protection.
- Fixed built-in technique may limit future reconfigurations.
- Black long turning handle might require clear space for full rotation.
Setup, Compatibility & Care
Setup:
- Mounting: Securely mount the disconnector using the appropriate method (floor, front, or distribution board installation) ensuring a stable base.
- Wiring: Connect the main circuit conductors to the screw terminals according to local electrical codes and the device's specifications. Ensure proper torque is applied.
- Auxiliary Contacts: Wire the 2 change-over auxiliary contacts to your control or signaling circuits as needed.
- Handle Installation: Attach the black long turning handle to the operating shaft.
Compatibility:
- Suitable for AC-23A load applications up to 72A at 400V.
- Designed for distribution board installations and panel building.
- Compatible with electrical systems operating up to 500V.
Care:
- Keep the disconnector in a clean, dry environment to maintain its IP40 rating.
- Periodically inspect the connections for tightness and signs of corrosion.
- Ensure the operating handle moves freely and the interlock mechanism functions correctly.
- Avoid excessive dust or moisture in the vicinity of the device.