1SVR730885R4300 ABB Control Industrial Automation Components

ABB 1SVR730885R4300 is a multifunctional monitoring relay designed for both single-phase and 3-phase applications. It features phase failure detection, phase sequence monitoring, automatic phase sequence correction, interrupted neutral monitoring, and ON-delay/OFF-delay trip timer. The relay has DPDT (Double Pole Double Throw) contacts, which are configurable as 2 x 1C/O or 1 x 2C/O. It offers a housing protection rating of IP50 and terminal protection rating of IP20. The control voltage is specified for DIN rail mounting with a communication protocol width of 85.6 mm, a net height of 4 kV, and a rated impulse voltage (Uimp) of 22.5 mm. It includes overvoltage, undervoltage, and phase unbalance detection functions with a rated insulation voltage (Ui) of 600 V and dimensions of 103.7 mm. The control voltage for AC is 230Vac consuming 4 VA, and it supports various wire sizes for both flexible and rigid wires. The relay operates at a frequency of 50/60/400 Hz, with a supply voltage of 280 V for AC, and a rated voltage (AC) phase-to-phase of 280 V. The contacts are made from a Silver-Nickel alloy (Ag / Ni) and are cadmium-free (Cd-free). It is designed for a high number of operations, with analog outputs capable of 30 000 000 operations and a frame current rating at (230Vac) of 0.005 A. The tripping curve ranges from 0.1-30 s, with screw-clamp type terminals. It operates within a temperature range of -25°C to +60°C, with a control circuit rated current of 4 A for AC-12 and 3 A for AC-15 at 230Vac, and for DC-12 and DC-13 at 24Vdc, it is rated at 4 A and 2 A respectively. The short circuit current breaking capacity (Icn) and protection settings are designed for robust performance, with a processing time and measurement function optimized for efficiency. The operating rate is specified for (L-N) 180-280Vac.