Order No
101178395
Article Code
101178395
Schmersal
Emniyetli Sinyal İşleme
Güvenlik İzleme Modülleri
SRB402NE 24V
Product Description
- • Voltage: 24 VDC | Dimensions: 45mm×100mm×121mm | Weight: 370 g | Contacts: 4 NC
Standards
- • EN IEC 60947-1 EN IEC 61508
Product Features
- • Suitable for the signal processing of outputs with contact sensors_x000D_
- • Possibility to connect a non-contact end switch or speed reduction switch_x000D_
- • 2 safety contacts, switch-off level 1; 2 safety contacts, switch-off level 2_x000D_
- • 2 sinyal çıkışı
Technical Specifications
Mounting
Fits onto a standard DIN rail per EN 60715
Depth
121 mm
General Note
Inductive loads (e.g. contactors, relays, etc.) must be suppressed with a suitable circuit.
Width
45 mm
SIL Stop 0
3
Height
100 mm
PFH Value
2.00 x 10⁻⁸ /h
Number of LEDs
7
Impact Resistance
30 g / 11 ms
EMC Class
EMC Directive
Application Note
Safety sensor Guard system
Mission Time
20 Year(s)
Category Stop 0
4
Gross Weight
370 g
Housing Material
Glass-fibre reinforced thermoplastic, ventilated
Contact Material
Ag-Ni, self-cleaning, positive drive
Pollution Degree
2
Min. Cable Cross-Section
0.25 mm²
Vibration Resistance
10...55 Hz, Amplitude 0.35 mm, ± 15 %
DC Level Stop 0
≥ 99 %
Frequency Range
50 Hz 60 Hz
Clip Tightening Torque
0.6 Nm
Max. Cable Cross-Section
2.5 mm²
Terminal (Mechanical)
Threaded terminal block
Climatic Resistance
EN 60068-2-78
Ripple Voltage
0.1
Stop Category
0
Ambient Temperature
-25 ... +45 °C
Operating Voltage
24 VAC -15 % / +10 % 24 VDC -15 % / +20 %
Feedback Circuit
Yes
IP Protection (Housing)
IP40
Max. Contact Resistance
0.1 Ω
Mechanical Life (min.)
10,000,000 Cycles
Note (Contact Resistance)
In new condition
Terminal Definitions
IEC/EN 60947-1
Max. Transmission Resistance
40 Ω
Wire Breakage Detection
Yes
Cross-Circuit Detection
Yes
Spare Article Number
101178530
Connection Diagram Note
The control system detects wire breakage and earth faults. 1-channel control with A contact, of which at least one contact has positive opening, with an external reset button (R). The relay outputs are suitable for 1-channel control. (H2) = Feedback circuit
Permissible Cable Type
Single core solid / esnek
Number of Safety Contacts
4
IP Protection (Mounting Area)
IP54
Automatic Reset Function
Yes
Current Utilization Cat. AC-15
0.16666666666787933
Current Utilization Cat. DC-13
0.16666666666787933
Performance Level Stop 0
e
Number of Auxiliary Contacts
2
Overvoltage Category
III
Electrical Power Consumption
6 VA
Min. Switching Capacity
10 mA
Rated Operating Voltage
24 VDC
Number of Signal Outputs
2
AC Control Voltage 50Hz min.
20.4 VAC
AC Control Voltage 60Hz min.
20.4 VAC
Voltage Utilization Cat. AC-15
230 VAC
Voltage Utilization Cat. DC-13
24 VDC
IP Protection (Terminal Block)
IP20
Max. Switching Capacity
0.08333333333212067
Earth Connection Detection
Yes
Removable Terminals
Yes
AC Control Voltage 50Hz max.
26.4 VAC
AC Control Voltage 60Hz max.
26.4 VAC
Impulse Withstand Voltage (Uimp)
4 kV
Emergency Release Delay
20 ms
Storage/Transport Temperature
-40 ... +85 °C
Integrated System Diagnostics Status
Yes
Pull-In Delay After RESET
20 ms
DC Min. Rated Control Voltage
20.4 VDC
Min. Common Cause Failure (CCF)
65
DC Max. Rated Control Voltage
28.8 VDC
Displayed Operating States
Konum relay K2 Konum relay K1 Internal operation voltage U i Konum relay K3 Konum relay K5
Release Delay on Power Failure
80 ms
Number of NC (Normally Closed) Contacts
4
Pull-In Delay on Automatic Start
100 ms