RCCBS Add on Blocks
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RCCBS – RESIDUAL CURRENT ADD-ON BLOCK, SERIES BB
- Tripping times
- undelayed, conditionally surge current proof up to 250 A (8/20 μs)
- delayed at least 40 ms (Type S), surge current proof up to 5 kA (8/20 μs), with selective disconnecting function
- Rated voltage
- 230/400 V; 50 Hz
- Rated current
- < or = 40 A, < or = 63 A, < or = 80 A, < or = 125 A
- Rated tripping current
- 30 mA, 300 mA (others on request)
- Tripping time
- non-delayed, type S min. 40 ms delay
- Sensitivity
- AC ~ and pulsating DC
- Rated short-circuit strength
- same as BM-Series MCBs
- Back-up fuse for overload and short-circuit protection
- by BM-Series MCBs
- Service life
- same as Miniature Circuit Breakers series BM
- Prevents nuisance tripping caused by switching Electronic Light Devices (ELD)
- Ambient operating temperature
- -25° C to +40° C
- Endurance
- same as BM Series MCBs
- Terminals
- 2/4-pole, lift terminals on both sides, 1-25 mm cross-section finger/handtouch safe according to VBG 4, ÖVE-EN 6
- For subsequent mounting onto all BM-Series MCBs
- RCD blocks to be connected to MCBs with a maximum rated current of 40 A are mechanically interlocked against MCBs with a rated current of > 40 A.
