Vzduchové jističe Emax získaly certifikaci a mají plné oprávnění k tomu, aby se přiřadily k funkční výrobkové kategorii Protect IT. Tyto jističe vytváří kombinaci s asi 700 distribučními rozváděči řad ArTu Ma ArTu K. Umožňují takto sestavení kompletních rozváděčů pomocí prvků majících certifikaci Industrial IT. Jističe Tmax, Isomax a Emax je možno začlenit do konfigurovatelných výrobků ...
and PR123/DC release)
K51/IN1 Digital programmable input (available only with Uaux and PR122/DC PR123/DC release with indicator
module PR120/K)
K51/P1...3 Limit contacts for spring-charging motor
S43 Switch for setting remote/local control
S51 Contact for electrical signalling circuit-breaker open due tripping the overcurrent release..
Operating status shown
The circuit diagram for the following conditions:
- withdrawable circuit-breaker, open and racked-in
- circuits de-energised
- releases not tripped
- motor operating mechanism with springs discharged.Circuit diagrams
Reading information
Warning
Before installing the circuit-breaker, carefully read note the circuit diagrams..8 Contacts the PR021/K signalling unit
K51/GZin Zone selectivity: input for protection (only with Uaux.P4 Programmable electrical signalling (available only with Uaux and PR122/DC PR123/DC release with
indicator module PR120/K)
K51/SZin Zone selectivity: input for protection (only with Uaux..4 Contacts for electrical signalling circuit-breaker test isolated position (only with withdrawable circuit-
breakers)
SC Pushbuttonor contact for closing the circuit-breaker
SO Pushbuttonor contact for opening the circuit-breaker
501 Pushbuttonor contact for opening the circuit-breaker with delayed trip
502 Pushbuttonor contact for opening the circuit-breaker with instantaneous trip
SR Pushbuttonor contact for electrical circuit-breaker reset
ABB SACE 33
..5 Contacts for electrical signalling circuit-breaker racked-in position (only with withdrawable circuit-
breakers)
S75T/1..
Versions
Though the diagram shows circuit-breaker withdrawable version, can applied fixed version circuit-breaker
as well..
S75E/1.
Withdrawable version
The control circuits are fitted between the poles connector (terminal box not supplied).27 Circuit-breaker auxiliary contacts
S33M/1.. The
circuit-breaker may closed only after pressing the reset pushbutton, after energizing the coil for
electrical reset (if available).. And PR123/DC release)
K51/YC Closing control from PR122/DC PR123/DC electronic release with communication module PR120/D-M
K51/YO Opening control from PR122/DC PR123/DC electronic release with communication module PR120/D-M
M Motor for charging the closing springs
Q Circuit-breaker
Q/1.
Fixed version
The control circuits are fitted between terminals (connector not supplied). and PR123/DC release)
K51/GZout Zone selectivity: output for protection (only with Uaux.
Version with PR122/DC electronic release
Version with PR123/DC electronic release
Caption
□ Circuit diagram figure number
* See note indicated letter
A1 Circuit-breaker accessories
A3 Accessories applied the fixed part the circuit-breaker (for withdrawable version only)
A4 Example switchgear and connections for control and signalling, outside the circuit-breaker
D Electronic time-delay device the undervoltage release, outside the circuit-breaker
F1 Delayed-trip fuse
K51 PR122/DC, PR123/DC electronic release with the following protection functions:
- overload protection with inverse long time-delay trip setting I1
- short-circuit protection with inverse definite short time-delay trip setting I2
- short-circuit protection with instantaneous time-delay trip setting I3
- earth fault protection with inverse short time-delay trip setting I4
K51/1..4 Contacts for electrical signalling circuit-breaker racked-out position (only with withdrawable circuit-
breakers)
S75I/1.. And PR123/DC release)
K51/SZout Zone selectivity: output for protection (only with Uaux.
With this version, the applications indicated figures and cannot provided.
