S2EB-L-5V

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The S2EB-L-5V series of power relays provide reliable and robust switching for applications which require more than two amps of current. They are designed to meet the stringent requirements of industrial, life safety, emergency and mission critical applications, protecting equipment and personnel against thermal and electrical overloads. The S2EB-L-5V series is also suitable for a range of other applications, including controlling motor circuits, operating contactors, interlocking systems, and monitoring temperature and pressure.

The S2EB-L-5V series is made of a high temperature UL rated material, which is capable of operating reliably up to temperatures of 105°C (221°F). The touchpoint material is silver plated with gold. UL listings and various international approvals such as CCC, CQC, GOST, and CE for complete model types are available for many cases.

The S2EB-L-5V series has a “form-C” (commonly called “tripolar”) contact arrangement, with two Normally Open (NO) contacts, one Normally Closed (NC) contacts, and one Common (COM) contact. This contact arrangement, combined with the wide range of coil voltages available (3-163VDC, 24-277VAC, 24-240VAC), allows flexibility for different types of load. The S2EB-L-5V also offers several features to prevent overdriving of the relay, including a Latch Resistance feature, different operating coil voltages, and adjustable pre-trip and power-off time delays.

The operating principle of the S2EB-L-5V series is based on the motion of an armature inside a magnetic field. When current passes via a dc coil, it produces a magnetic field, which interacts with the armature and the relay’s latching system. This latching system has two active and two inactive positions, enabling each of the contacts to operate independently as required.

The latching system is designed to help prevent the S2EB-L-5V from accidentally re-tripping if current passes through a previously opened contact. This is known as “Buzzing” and is a major source of mechanical wear of the relay’s contacts. The S2EB-L-5V is designed to minimize this problem and prolong its lifetime.

The S2EB-L-5V is rated for currents of up to 10 amps, making it suitable for a wide range of applications. It is certified according to UL, CCC, CQC, GOST, and CE. Furthermore, this series is immune to thermal shock, vibration, and humidity.

In summary, the S2EB-L-5V series is a reliable and robust power relay suitable for controlling motor circuits, operating contactors, interlocking systems, and monitoring temperature and pressure applications. Its wide range of coil voltages, adjustable pre-trip and power-off time delays, and latching system make this series of relays particularly suitable for industrial, life safety, emergency, and mission critical environments.

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