AC Switchgear (indoor)
CRYNO AFLR expands our 12kV SF6-free CRYNO switchgear range, increasing the internal arc performance to 12 kV, 25 kA for 1 second, IAC = AFLR.
CRYNO AFLR provides increased protection to meet the demands of safety
critical applications.
Overview
The evolution continues…
Building on the proven technology and trusted performance of CRYNO, CRYNO AFLR brings advanced arc fault protection to our 12kV SF₆ free switchgear, enhancing safety and resilience for demanding applications.
Designed to help protect operators and limit damage to adjacent panels in the event of an internal arc, CRYNO AFLR adds an extra level of protection while retaining the proven performance and compact design of CRYNO. Ideal for applications including datacentres and renewable energy, CRYNO AFLR combines proven engineering with BRUSH’s trusted service and support.
Resources
CRYNO / AFLR Datasheet
CRYNO Brochure
Key benefits
Technical specifications
| Property | Rating |
|---|---|
| Rated normal current | 630A, 1250A, 2000A |
| Rated voltage (ur) | 12kV |
| Rated frequency (fr) | 50Hz |
| Rated BIL | 95kV pk |
| Rated power frequency withstand | 38kV 1 min |
| Rated short-time withstand current | 25kA rms 3 secs |
| Rated peak making current (lk) | 62.5kA |
| Ratings for internal arc classification (IAC) Type of accessibility Rated three-phase arc fault values: current (IA) and duration (tA) | AFLR 25kA for 1 sec |
| Rated short circuit breaking current | 25kA |
| Degree of protection | IP4X |
| Single capacitor bank breaking current | 400A* |
| Circuit breaker classification | E2**, S1, C2* |
| Auxiliary operating supply | 110V DC |
| Busbars normal current | Up to 2000A |
| Typical weight | 500-700kg |
| Ambient air temperature | -5˚C to +40˚C |
| Relative humidity | <95% |
| Altitude | <1000m |
| Mechanical endurance | M2, 10,000 operations |
** non auto-reclose for 2000A only