Class
Model name (3G3AX-) |
3-phase 200-V class | 3-phase 400-V class | |
Class
Model name (3G3AX-) |
RBU21 | RBU22 | RBU41 *1 |
Connection resistance | 17 Ω min. | 17 Ω min. | 34 Ω min. |
Operating voltage ON/OFF | ON: 362.5 ± 5 V, OFF: 355 ± 5 V
(-5% or -10% setting available) |
ON: 725 ± 5 V, OFF: 710 ± 5 V
(-5% or -10% setting available) |
|
Operation indication | LED ON (Lit) | ||
Parallel interlocking operation function *2 | 5 units max. | ||
Internal 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 6.6 kW Short-time rating 120 W | Instantaneous 1.46 kW Short-time rating 240 W |
Built-in resistor overheat protection |
• Cooling fin temperature Relay operates at approximately 200°C or higher.
Recovers at approximately 170°C or lower. • Built-in temperature fuse (recovery impossible) *3 • Rating of contact 250 V AC 200 mA (R load), 12 V DC 500 mA (R load), 42 V DC 200 mA (R load) • Minimum load 1 mA (R load) |
||
Ambient temperature | -10 to 50°C | ||
Ambient storage temperature | -20 to 65°C | ||
Ambient operating 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 (without corrosive gases or dust) | ||
Paint color | Munselle 5Y7/1 (cooling fan: aluminum ground color) |