ABB Switch-Disconnector - E211
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Product Information
Full details
This ABB E211-16-20 switch-disconnector is designed for electricians and system integrators needing a reliable 2-pole disconnect switch for control circuits and low-power distribution. Its key benefit is providing a clear on-off status with safe isolation and locking capability. A potential consideration is its limited breaking capacity, making it unsuitable for main power circuit interruption in high-load scenarios.
All features
| Series | E211 |
|---|---|
| Model Part Number | 2CCA703005R0001 |
| Brand | ABB |
Extended Product Information
FAQs
What is the primary application for the ABB E211-16-20?
This switch-disconnector is primarily designed for use in control circuits, auxiliary power applications, and as a main switch for low-power distribution systems where its breaking capacity is sufficient.
Can this switch be used as a main circuit breaker?
No, the E211-16-20 has a limited short-circuit breaking capacity (3kA) and is not intended for use as a main circuit breaker in high-power circuits. It's suitable for disconnecting control or auxiliary circuits.
What does 'locking capability' mean?
The locking capability allows the switch to be secured in either the ON or OFF position, often using a padlock, to prevent unauthorized or accidental changes in its state, enhancing safety during maintenance or operation.
What is the IP rating of this switch?
The International Protection (IP) rating is IP20, meaning it is protected against solid objects larger than 12.5mm (like a finger) but offers no specific protection against water ingress.
What is the operating temperature range?
The operating temperature range for this switch-disconnector is -25 to 55 °C.
How many contacts does this switch have?
This specific model (E211-16-20) has 2 normally open (NO) contacts and 0 normally closed (NC) or change-over (CO) contacts.
Does it come with a warranty?
Refer to the specific retailer or ABB documentation for warranty information, as warranty terms can vary by region and supplier.
Troubleshooting
Switch does not engage or disengage
Ensure the control element is fully actuated. Check for any obstructions preventing movement. Verify wiring is correct and secure.
Overheating at terminals
Check that the wire gauge is appropriate for the 16A rating. Ensure terminal screws are tightened to the recommended torque. Inspect for corrosion.
Intermittent connection
Inspect the contacts for wear or damage. Ensure the switch is correctly seated on its mounting rail or surface. Verify wiring integrity.
Switch feels loose during operation
Confirm the mounting mechanism (DIN rail clip or floor mount screws) is secure and properly tightened.
Pros and Cons
Pros
- Provides safe electrical isolation.
- Compact and space-saving design (0.5 module width).
- Locking feature enhances safety and prevents accidental operation.
- Versatile mounting options including floor mounting.
- Clear visual indication of ON/OFF status.
Cons
- Limited short-circuit breaking capacity (3kA), not suitable for main power circuits.
- Primarily designed for control circuits or low-power distribution.
- Requires specific mounting for floor installation.
- Only 2 normally open contacts, no normally closed or change-over contacts available on this specific model.
Setup, Compatibility & Care
Setup:
This switch-disconnector is designed for installation within electrical distribution enclosures, typically mounted on a DIN rail or via its floor mounting option. Ensure the power supply is completely isolated before attempting any wiring.
- Mounting: Secure the switch to a DIN rail or prepare for floor mounting as per installation instructions.
- Wiring: Connect the load and supply wires to the appropriate terminals according to the terminal markings and wiring diagrams.
- Verification: Double-check all connections for tightness and correctness before energizing.
Compatibility:
The E211-16-20 operates with AC input voltages ranging from 250V to 400V and frequencies of 50/60 Hz. It is compatible with systems adhering to EN60669-1, EN60669-2-4, and IEC/EN60947-3 standards.
Care:
- Cleaning: Keep the exterior clean using a dry or slightly damp cloth. Avoid abrasive cleaners.
- Environment: Operate within the specified temperature range of -25 to 55 °C and humidity levels.
- Inspection: Periodically inspect terminals for tightness and any signs of wear or corrosion.