SIEMENS
3/5
Siemens IC 10 · 2017
Switching Devices – Contactors and Contactor Assemblies
Power Contactors for Switching Motors
Introduction
3
Note:
For safety characteristics for contactors,
see
"Standards and Approvals", from page 16/10 onwards
.
Size
Type
14
3TF6
3TF68/3TF69 vacuum contactors
Type
3TF68
3TF69
(p. 3/135, 3/136)
(p. 3/135, 3/136)
AC-3
I
e
/AC-3/400 V
A
630
820
400 V
kW
335
450
230 V
690 V
1 000 V
3RT10/3RT12
3RT10/3RT12
kW
kW
kW
200
600
600
260
800
800
AC-4
(at
I
a
= 6 x
I
e
)
400 V
400 V
3RT10/3RT12
kW
kW
355
168
400
191
(200 000 operating cycles)
AC-1
(40 °C,
690 V)
I
e
3RT10/3RT12
A
700
910
Accessories for contactors
Auxiliary switch blocks
• Lateral
3TY7561
(p. 3/137)
Surge suppressors
3TX7572
(p. 3/138)
Terminal covers
3TX7686, 3TX7696
(p. 3/138)
3RB2 overload relays
3RB electronic overload relays
• for standard applications
3RB2066,
3RB2163
55 ... 250 A
or
160 ... 630 A
(p. 7/109, 7/110)
(p. 7/111)
3RB22, 3RB23 and 3RB24
with current measuring module
3RB2906-2.G1
with 3UF series transformer to 820 A
(p. 7/120, 7/128)
(p. 7/132)
• for High-Feature applications
3RB22, 3RB23 and 3RB24
with 3RB2966-2WH2 current
measuring module
(p. 7/120, 7/128)
(p. 7/132)
63 ... 630 A
63 ... 820 A
3RV10 molded case motor starter protectors
Molded case motor starter
protectors
3RV1083
252 ... 630 A
(p. 7/67)
Reversing contactor assemblies
Complete units
Type
--
400 V
kW
335
Assembly kits/wiring modules
3TX7680-1A
(Industry Mall)
Mechanical interlocks
3TX7686-1A
(Industry Mall)
Contactor assemblies for star-delta (wye-delta) starting
Complete units
Type
--
400 V
kW
630
Assembly kits/wiring modules
3TX7680-1B
(Industry Mall)
© Siemens AG 2016