JUMO 709040 TYA-110 thyristor power unit Operating Manual - Manual (Page 11)

Power units 02.06 11
1 Introduction
1.4.3 Accessories
Super-fast semiconductor fuses to protect the thyristors from short-circuits
(no supply line fusing).
32A for I
N
= 25A, Sales No. 70/00068009
80A for I
N
= 50A, Sales No. 70/00068011
125A for I
N
= 75A, Sales No. 70/00081800
160A for I
N
= 100A, Sales No. 70/00081801
350A for I
N
= 150A, Sales No. 70/00083318
550 A for I
N
= 250A, Sales No. 70/00371964
Assembly kit for DIN rail mounting, for 25A and 50A versions,
Sales No. 70/00067312
1.5 Block diagram
(
(1) Load (9) Control electronics
(2) Super-fast semiconductor fuse (10) Trimmer on front panel
(3) Thyristor module with RC
protection network
(11) Error signal output
via relay or optocoupler
(4) Driver stage for thyristor module (12) Configuration switch
(5) Power supply for control electronics (13) Signal LEDs
(6) Optocoupler (14) Master-slave connections
(7) Voltage converter (15) Output level setting, operating inputs,
power level output signal
(8) Current transformer