The Edwards 3-CHAS7-I is the chassis assembly for the Edwards EST4 life safety control platform (EN54). It takes one chassis space in an EST4 cabinet wallbox and carries the local rail modules, such as the 4-CPU-E, Signature loop controllers, zoned amplifiers and hardwired modules, away from high voltages.
Each chassis holds seven local rail modules, up to two power supplies and a 1/2 footprint module. Lobby enclosures take one (3-CAB7B-E), up to two (3-CAB14B-E) or up to three (3-CAB21B-E) chassis.
Key features
- Space for seven local rail modules
- Room for up to two power supplies and a 1/2 footprint module
- Fits one chassis space of 3-CAB and 3-RCC series cabinets
- Optional 4-BRKT-CB bracket mounts on the chassis back plane and 4-BRKT-CS bracket mounts on its right-hand side, for 4-FWAL firewalls, 4-NET-AD network adder or (4-BRKT-CB only) 4-ANNCPU
- 4-NET-AD-E network adder module can also be mounted on the back or side of the chassis
Technical specifications
- Model: 3-CHAS7-I
- Type: EST4 chassis assembly
- Capacity: 7 local rail modules, up to 2 power supplies, 1/2 footprint module
- Cabinet space used: 1 chassis space
- Shipping weight: 4.2 kg
- System: EST4 (EN54)
- Data sheet reference: E85014-0004
