Datasheet
10 Specifications are subject to change without notice (28.11.2018)
RAM..G
Type 2 Protection with Miniature Circuit Breakers (M.C.B.s)
Solid State Relay ABB Model no. for ABB Model no. for Wire cross Minimum length of
type Z - type M. C. B. B - type M. C. B. sectional area [mm
2
] Cu wire conductor [m]*
(rated current) (rated current)
RAM..25.. 1-pole
S201-Z4 (4A) S201-B2 (2A) 1.0 21.0
S201-Z6 UC (6A) S201-B2 (2A) 1.0 21.0
1.5 31.5
RAM..50.. 1-pole
RAM..51..
S201-Z10 (10A) S201-B4 (4A) 1.0 7.6
1.5 11.4
2.5 19.0
S201-Z16 (16A) S201-B6 (6A) 1.0 5.2
1.5 7.8
2.5 13.0
4.0 20.8
S201-Z20 (20A) S201-B10 (10A) 1.5 12.6
2.5 21.0
S201-Z25 (25A) S201-B13 (13A) 2.5 25.0
4.0 40.0
2-pole
S202-Z25 (25A) S202-B13 (13A) 2.5 19.0
4.0 30.4
RAM..100.. 1-pole
S201-Z20 (20A) S201-B10 (10A) 1.5 4.2
2.5 7.0
4.0 11.2
S201-Z32 (32A) S201-B16 (16A) 2.5 13.0
4.0 20.8
6.0 31.2
2-pole
S202-Z20 (20A) S202-B10 (10A) 1.5 1.8
2.5 3.0
4.0 4.8
S202-Z32 (32A) S202-B16 (16A) 2.5 5.0
4.0 8.0
6.0 12.0
10.0 20.0
S202-Z50 (50A) S202-B25 (25A) 4.0 14.8
6.0 22.2
10.0 37.0
RAM..125.. 1-pole
S201-Z50 (50A) S201-B25 (25A) 4.0 4.8
6.0 7.2
10.0 12.0
16.0 19.2
S201-Z63 (63A) S201-B32 (32A) 6.0 7.2
10.0 12.0
16.0 19.2
* Between MCB and Load (including return path which goes back to the mains).
Note: A prospective current of 6kA and a 230/400V power supply system is assumed for the above suggested specifications. For cables with different cross sec-
tion than those mentioned above please consult Carlo Gavazzi’s Technical Support Group.










