Accessories For 3Rt2 Contactors And 3Rh2 Contactor Relays; General Data - Pneumatic Timer 3Rt2926-2P - Siemens SIRIUS 3RT Series System Manual

2.8.5

Accessories for 3RT2 contactors and 3RH2 contactor relays

2.8.5.1

General data - Pneumatic timer 3RT2926-2P.

Table 2- 119 General data for the pneumatic delay block 3RT2926-2P.
Type
General data
Mechanical durability
Electrical durability at I
e
Rated insulation voltage U
Permissible ambient temperature
Rated operational currents I
categories
AC 12

AC 15/AC 14 at U

e
DC 13 at U

e
Conductor cross-sections
Solid, stranded

Finely stranded with end sleeve

AWG cables

Tightening torque of connection screws

Time delay
Accuracy

CSA and UL rated data
Rated voltage

Switching capacity

For size S0. No other auxiliary switch blocks are permitted in addition to the pneumatic delay block.
1)
If two different conductor cross-sections are connected to one clamping point, both cross-sections must be located in
2)
the range specified. If identical cross-sections are used, this restriction does not apply.
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
(pollution degree 3)
i
Operation

Storage

acc. to DIN EN 60947 utilization
e
Up to 230/220 V
400/380 V
500 V
690/660 V
24 V
48 V
110 V
220 V
440 V
SIRIUS 3RT2 contactors/contactor assemblies
3RT2926-2P.
Pneumatic delay block
Operating 5 million
cycles
Operating 1 million
cycles
V 690
°C -25 ... + 60
°C -50 ... + 80
A 10
A 6
A 4
A 2.5
A 1.5
A 4
A 2
A 0.7
A 0.3
A 0.15
mm 2 x (0.5 to 2.5)
2
mm 2 x (0.5 to 2.5)
2
AWG 2 x (22 to 14)
Nm 0.8 to 1.1
± 10 %
V AC 600
A 600, Q 600
2.8 Technical data
1)
or 2 x (2.5 to 4)
2) 2)
279