7-3 Options „ Specifications 7 Specifications 7-16 Applicable voltage class 3-phase 200-V class 3-phase 400-V class Model 3G3AX-RBU21 3G3AX-RBU22 3G3AX-RBU41 Connection resistance 17 Ω min. 17 Ω min. 34 Ω min. Operating voltage ON/OFF ON : 362.5 ± 5 V OFF: 355 ± 5 V ON : 725 ± 5 V OFF: 710 ± 5 V Operation indication LED ON (Lit) Parallel interlocking operation function 5 units max. Built-in resistor Resistance 120 W, 180 Ω 120 W, 20 Ω 120 W, 180 Ω × 2 in series Allowable consecutive ON time 10 s max. 0.5 s max. 10 s max.
Allowable operation cycle Cycle 1/10 (ON for 10 s, OFF for 90 s) Cycle 1/80 (ON for 0.5 s, OFF for 40 s) Cycle 1/10 (ON for 10 s, OFF for 90 s) Power consumption Instantaneous 0.73 kW Short-time rating 120 W Instantaneous 6 kW Short-time rating 120 W Instantaneous 0.73 kW Rating 120 W × 2 in series Protective functions (1) The temperature relay operates if the internal resistor reaches approx. 200°C, and recovers at approx.
170°C (NC contact) Rating of contact 240 V AC 3 A (R load), 0.2 A (L load) 36 V DC 2 A (R load) Minimum load 240 V AC 25 mA (2) Built-in fuse in the internal resistor (recovery impossible) Operating environment Ambient temperature -10°C to 50°C Ambient storage temperature -20°C to 65°C (short-time temperature during transport) Humidity 20% to 90% (with no condensation) Vibration 5.9 m/s2 (0.6G) 10 to 55 Hz Location At a maximum altitude of 1,000 m; indoors (without corrosive gases or dust)