Why Choose the ABB E297162048 Installation Relay?
The ABB E297162048, type designation E297-16-20/48, is a compact monostable installation relay designed for dependable switching of lighting, ventilation, air-conditioning and other electrical loads. Part of ABB's E297 installation relay range, it combines two normally open contacts with a 16 A rated current in a compact single-module DIN-rail format.
The E297-16-20/48 features two normally open (2NO) main contacts and a dual-rated 48 V AC/DC control coil. As a monostable relay, its contacts remain operated while the appropriate control voltage is applied to the coil and automatically return to their normal position when the control voltage is removed.
With a rated operational voltage of 250 V AC, a 16 A rated current and an AC operating frequency of 50/60 Hz, the E297162048 provides flexible two-pole load control in an 18 mm-wide DIN-rail module. Its low-loss coil, temporary manual operating lever and compatibility with additional ABB contact modules make it suitable for commercial, public-building and industrial control systems.
Key Advantages
- Two normally open main contacts provide simultaneous two-pole switching.
- 16 A rated current supports lighting and other electrical loads.
- Dual-rated 48 V AC/DC control coil provides flexibility for AC and DC control circuits.
- Low 1 W power loss supports efficient operation within modular electrical panels.
- Compact 18 mm single-module width saves valuable distribution-board space.
- Front operating lever provides temporary manual operation and contact-position indication.
Key Features
- ABB E297 monostable installation relay series.
- 16 A rated current.
- Two normally open (2NO) main contacts.
- 48 V AC/DC rated control supply voltage.
- 250 V AC rated operational voltage.
- 50/60 Hz rated frequency.
- 4 kV rated impulse withstand voltage.
- Electromagnetically operated monostable switching.
- 1 W power loss.
- Front lever for temporary manual operation and contact-position indication.
- DIN-rail mounting with an 18 mm module width.
- Compatible with ABB E298 main contact modules and E299 auxiliary contact modules.
Reliable 48 V AC/DC Monostable Load Control
A monostable installation relay is an electromagnetically operated switching device that remains in its operated state only while control voltage is applied to its coil. When 48 V AC/DC is applied to the ABB E297-16-20/48 control circuit, its two normally open contacts close; when the control voltage is removed, the relay automatically returns to its normal position.
ABB E297 installation relays combine compact dimensions with a low-loss control coil for efficient operation in modular electrical systems. The E297-16-20/48 provides two normally open contacts within a single 18 mm module and can be combined with compatible E298 main contact modules for expanded power-contact arrangements or E299 auxiliary contact modules for additional signalling and control functions.
Typical Applications
- Commercial and industrial lighting control.
- Building automation systems using 48 V AC/DC control circuits.
- Ventilation and fan control.
- Air-conditioning control circuits.
- Electrical distribution and modular control panels.
- Public-building switching systems.
- Industrial machinery and general load-control applications.
