ABB ESB20-20N-06 20A Installation Contactor 230V 2NO
The ABB ESB20-20N-06 is a 20A installation contactor with two normally open (2NO) contacts and a 230V AC coil. Designed for lighting control, heating, and general building services switching, it is a reliable and compact contactor for UAE residential, commercial, and hospitality electrical distribution panels.
Key Features
- 20A rated installation contactor with 2 NO main contacts
- 230V AC coil for standard UAE mains panel control
- AC-7a duty for resistive and slightly inductive loads
- DIN rail mounting for compact panel integration
- Genuine ABB ESB installation contactor quality
Technical Specifications
| Specification |
Details |
| Brand |
ABB |
| Model |
ESB20-20N-06 |
| Article Number |
1SBE121111R0620 |
| Rated Current |
20A |
| Main Contacts |
2 NO |
| Coil Voltage |
230V AC |
| Duty |
AC-7a |
| Mounting |
DIN Rail |
Applications
- Lighting circuit control in residential and commercial buildings
- Heating and air conditioning load switching
- Building automation and timer-controlled switching
- General building services panel applications
FAQ
-
What does this contactor control?
It's an electrically-operated switch used to make/break a load circuit repeatedly under remote or automatic control — commonly lighting banks, motors, HVAC equipment, or heating loads switched via a timer, BMS, or control relay.
-
Does this need a separate overload relay for motor protection?
Yes, if it's controlling a motor — a contactor alone doesn't protect against sustained overload. Pair it with a compatible thermal overload relay (see ABB's matching TF/TA-series relays) to form a full motor starter.
-
Can I control this contactor with a timer or BMS?
Yes — the coil is designed for remote switching from a timer, PLC, BMS, or control relay rather than direct manual operation, making it suited to automated load switching.
-
Can I install this myself?
No. Contactors are wired into live control and power circuits and must be installed by a licensed electrician in accordance with UAE wiring regulations.
