SINGLE PHASE MOTOR PROTECTION DEVICE UBZ-115
Product Details:
| Power (Watts or HP) | 0.5 – 2 kW (0.5 – 3 HP) |
| Motor Voltage | 220 – 240 V AC |
| Motor Brand | Any |
| Phase | Single Phase |
| Speed (Rpm) | Any |
| Voltage Type | AC |
| Operating Voltage (V) | 160 – 280 V |
| Number of Poles | 2 Pole |
| Application | Single phase motor protection, Submersible pump protection |
| Rated Current (Amps) | 0.5A to 25A programmable |
| Output Type | Triac + SPDT |
| Brand | NOVATEK ELECTRO |
Universal Single Phase Induction Electric Motor Protection Unit UBZ-115 is a microprocessor unit. UBZ-115 provides protection to single-phase induction electric motors with power up to 2 kW (25А). The UBZ-115 unit is designed to provide permanent control of mains voltage parameters and current effective value, which is consumed by the 230V/50Hz motor. In the UBZ-115 provides an external input for remote start or stop the motor, and feature “soft start” the motor up to 5 seconds.
UBZ-115 provides protection in the following situations:
when the mains voltage is of poor quality (over & under voltage);
mechanical overloads of the motor (over current);
when motor torque is lost (“dry stroke”);
delayed start or rotor jamming;
thermal overload (thermal model of the motor). For each separate type of fault, the unit allows to enable or disable an automatic reset (AR) of the motor.
Main technical specifications:
| Rated single phase supply voltage, V | ~230 | |||||
| Minimum/maximum functional voltage, V | 130 – 300 | |||||
| Protection against current overload (currents greater than 40A) | yes | |||||
| MCB (Miniature Circuit Breaker), A | 32 (class B) | |||||
| Mains frequency, Hz | 48 – 62 | |||||
| Harmonical configuration (nonsinusoidality) of power supply voltage | EN 61000-3-2 (IEC 1000-3-2) | |||||
| Maximum load capacity, kW | 5.5 | |||||
| Rated current, А | 25 | |||||
| Maximum allowable start current, A | 40 | |||||
| Trip threshold accuracy for current, ≤, % of rated current | 3 | |||||
| Trip threshold accuracy for voltage, ≤, V | 3 | |||||
| Hysteresis return on voltage, ≤, V | 4 | |||||
| Data storage term, years, not less than | 10 | |||||
| Current consumption (at 220 V), ≤, mA | 200 | |||||
| Weight, ≤, kg | 2.6 | |||||
| Overall dimensions, mm | 252 х 188 х 125 | |||||
| Remote control (water level sensor) input | Clean contact | |||||
| Motor control through | Relay 40A, 240V Triac 40A, 800V | |||||
| Output connections starting capacitor | Triac 40A, 800V | |||||
| Device allocation | Control equipment and distribution | |||||
| Typical operation | Continued | |||||
| Device level protection | IP30 | |||||
| Index protection of electrical shock | 0I | |||||
| Climatic modification | UHL3.1 | |||||
| Permissible degree of pollution | II | |||||
| Overvoltage category | II | |||||
| Nominal voltage of isolation, V | 450 | |||||
| Rated impulse withstand voltage, kV | 2.5 | |||||
| Selectable space position | Vertical | |||||
| The relays output terminals specification: | ||||||
Cos ф | Max. current for U~ 240 В | Max. power | Max. voltage ~ | Terminals material |
| |
1.0 | 40 A | 7200 VA | 240 V | AgSnO |
| |
Commutation resource of output terminals: – electrical resource 40A 240V AC, times, not less than – mechanical resource, times, not less than | 100 thousand 10 million | |||||
Operating conditions:
The unit is designed for operation in the following conditions:
– ambient temperature is from minus 25 to +55 °С;
– storage temperature is from minus 45 to +70 °С;
– atmospheric pressure is from 84 to 106.7 kPa;
– relative air humidity (at 35 °С) is 30…90%.