31-940 EAO, 31-940 Datasheet - Page 14

Terminal Block

31-940

Manufacturer Part Number
31-940
Description
Terminal Block
Manufacturer
EAO
Series
31r
Datasheet

Specifications of 31-940

For Use With
EAO Switch 31 Series Low Level Switches
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Technical Data
Switching system
Material
Mechanical characteristics
Electrical characteristics
Actuator with snap-action switching element
Self-cleaning, double-break, snap action switching system (with
contact gap 2 x 0.5 mm).
1 Normally closed or 1 Normally open contact per element.
Snap-action switching elements with soldering terminals at the
sides: Up to 4 switching element can be on a pushbutton (max. 4
Normally closed and 4 Normally open contacts).
Snap-action switching element with axial plug-in terminals 2.8 mm
stachable, only 1 switching element can be on a pushbutton.
Material of contact
Gold plated silver
Switch housing
Axial plug-in-/soldering terminal 2.8 mm:
Diallylphthalate (DAP), Polyamide (PA66), Polysulfone, heat-
resistant and self-extinguishing
Soldering terminal: PA 6.6 Ultramide
Actuator housing
Polyetherimide, self-extinguishing
Terminals
Snap-action switching element with tinned soldering terminals at
the sides:
Max. wire diameter 2 wires à 1.2 mm
Max. wire cross-section of stranded cable 1 x 1 mm²
Snap-action switching element with axial plug-in terminals, which
can also be used as soldering terminals: Plug-in terminal 2.8 x 0.5
mm
Soldering terminal:
Max. wire diameter 1 wire of 1.5 mm²
Max. wire cross-section of stranded cable 2 x 0.75 mm² or 1 x 1.0
mm²
Actuating force
2 N ... 5.5 N, depending on the number of switching elements
Actuating travel
3 mm
Rebound time
≤5ms
Mechanical lifetime
Momentary action 2 million cycles of operation
Maintained action 1 million cycles of operation
Standards
IEC 61058, EN 61058
Rated voltage
250 VAC/VDC
Rated current
5 A
Contact resistance
Starting value (initial) ≤50 mΩ
12
06.2009
0
0
Environmental conditions
Approvals
Conventional free air thermal current
5 A
The maximum current in continuous operation and at ambient
temperature not exceeding the quoted maximum values.
Switch rating
250 VAC, 5 A (cosφ 1)
250 VAC, 3 A (cosφ 0,3)
Switch rating AC (cosφ 0,7)
Voltage
Current
Switch rating DC (inductive) L:R = 30 ms
Voltage
Current
Electric strength
2500 VAC, 50 Hz, 1 min. between all terminals and earth, as per
IEC 60512-2-11
Protection class
II
Storage temperature
-40 °C ... +85 °C
Service temperature
-25 °C ... +55 °C
For indicators and illuminated pushbuttons mounted as a block,
make sure the heat can escape freely.
Protection degree
Front as per:
IP 40
IP 65 with spray cover
Shock resistance
(Single impacts, semi-sinusoidal)
15 g for 11 ms, as per IEC 60512-4-3, IEC 60068-2-27
Vibration resistance
(sinusoidal)
10 g at 0-2000 Hz, amplitude 1.5 mm, as per IEC 60512-4-4, IEC
60068-2-6
Climate resistance
Standard condition, as per IEC 60068-2-3 and 2-30
Changing condition, as per IEC 60068-2-14 and 2-33
Approbations
CB (IEC 61058)
CSA
ENEC (EN 61058)
Germanischer Lloyd
UL
Declaration of conformity
CE
125 VAC
3 A
24 VDC
2 A
60 VDC
0.7 A
250 VAC
2 A
110 VDC
0.2 A
220 VDC
0.1 A
31

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