331 / 543
2 ST2
M
4 UV2
(STS2)
6OT1M
8OT2B
10 OT2M
12 ALM1
14
16 N2
18 G2
20 SGF1
22 AGND
24 CMM2
26 CMM4
28 ZCOM
30
32
34 ARMS1
36 SR2
38 E02
40 LCB
42 LCM
44 A1
46 B2
48 A2
50 A3
52 B4
54 A4
1 ST1
3 UV1
(STS1)
5OT1C
7OT1B
9OT2C
11 ALMC
13 ALM2
15 N1
17 G1
19 SGF2
21 +24V
23 CMM1
25 CMM3
27 ZOUT
29 ZIN
31
33 ARMS2
35 SR1
37 E01
39 SC
41 LCC
43 C1
45 B1
47 C2
49 C3
51 B3
53 C4
t
[s]
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
50 40 30
60
70
80
90
100
200 300400 6008001000
20
I
RMS
kA
F
1230DIA-125 (70C1043)
G
30˚ 30˚
Circuit-breakers and switch-disconnectors
Circuit-breakers IZMX16, switch-disconnectors INX16 from 630 A to 1600 A Technical overview IZMX16 air circuit breakers 18/2 INX16 switch-disconnectors 18/2 Electronic releases for IZMX16 circuit-breakers 18/3 System overview IZMX16 circuit-breakers 18/4 Key to type references 18/5 Description IZMX16 air circuit-breaker, 18/6 INX16 switch-disconnector Components for IZMX16 communication 18/8 Ordering Basic devices 18/9 Compact air circuit-breakers, 3 and 4 pole 18/10 Withdrawable units 18/13 Cassettes, shutter (busbar tag shroud) 18/13 Electrical accessories 18/13 Motor operator 18/13 Operations counters, shunt releases 18/14 Auxiliary contact 18/15 Trip-indicating auxiliary switch, automatic reset 18/16 Locking facilities and locking devices 18/16 Options and accessories for trip units 18/17 Add-on functions for circuit-breakers Type V 18/17 Add-on functions for circuit-breakers Type U 18/17 Hand held tester for Digitrip 18/17 Communication modules 18/17 Rating plugs (Rate current modules) 18/18 Current sensor for neutral conductor 18/18 Main terminal kits, tunnel terminals 18/19 General accessories 18/19 Control circuit terminal blocks 18/19 Protective cover, blank cover for door cutout 18/19 Replacement coding, basic device to cassette 18/19 Replacement hand lever 18/19 Engineering Terminal assignment of control circuit terminals 18/20 Tripping characteristics 18/21 Rating plug combinations for IZMX16 18/25 Selectivity: incoming circuit-breaker, 18/26 outgoing circuit-breaker Technical data IZMX16 circuit-breakers 18/28 INX16 switch-disconnectors 18/32 Accessories for IZMX16 18/36 Dimensions Circuit-breaker IZMX16, switch-disconnector INX16 18/37 Circuit-breaker IZM26, switch-disconnector IN26 from 800 A to 6300 A Technical overview IZM 26 air circuit breakers 18/38 IN26 switch-disconnectors 18/39 Electronic releases for IZM26 circuit-breakers 18/40 System overview IZM26 circuit-breakers 18/42 Key to type references 18/43 Description Air circuit-breaker IZM26, 18/44 IN26 switch-disconnector Components for IZM26 communication 18/46 Ordering Basic devices 18/48 Air circuit-breakers, 3 and 4 pole 18/48 Air switch-disconnectors, 3 and 4 pole 18/60 Withdrawable units 18/62 Cassettes, shutter (busbar tag shroud) 18/62 Electrical accessories 18/64 Cell switches, motor operator, 18/64 Operations counters Shunt releases 18/65 Auxiliary contacts, latch check switch 18/67 Trip indication and reset options 18/67 Locking facilities and locking devices 18/68 Options and accessories for electronic 18/70 releases trip units Add-on function for electronic releases 18/70 Communication module, hand held tester 18/71 Rating plug sensor and current transformer 18/72 Current sensor for neutral conductor 18/74 Main terminal kits 18/75 General accessories 18/76 Control circuit terminal, door escutcheon 18/76 with gasket Protective cover, lifting yoke for lifting, 18/76 Trolley Engineering Terminal assignment of control circuit terminals 18/77 Switching states at mechanical interlock 18/77 Tripping characteristic 18/78 … for system protection 18/78 … for selectivity protection and universal protection 18/79 … for universal protection with power measurement 18/82 Rating plug combinations for IZM... 18/90 Selectivity: incoming circuit-breaker, 18/92 outgoing circuit-breaker Technical data IZM26 circuit-breakers 18/100 IN26 switch-disconnectors 18/108 Accessories for IZM26 18/116 Communication modules 18/118 Dimensions IZM26 circuit-breakers, IN26 switch-disconnectors 18/119 Minimum clearances 18/122