SRB-E-301ST Schmersal Safety Controllers

Product Details

• Switching capacity, minimum
  10 VDC
• Conduction resistance, maximum
  40 Ω
• Voltage, Utilisation category DC13
  24 VDC
• Current, Utilisation category AC-15
  4 A
• Voltage, Utilisation category AC15
  230 VAC
• Pull-in delay at automatic start, maximum, typically
  150 ms
• Electrical power consumption
  2.4 W
• Frequency range
  50 Hz, 60 Hz
• Overvoltage category
  III
• Degree of protection of clips or terminals
  IP20
• EMC rating
  EMC-Directive
• Switching capacity, maximum
  24 VDC
• Current, Utilisation category DC13
  4 A
• Switching frequency, maximum
  0.3 Hz
• Pull-in delay at RESET, typically
  150 ms
• Drop-out delay in case of emergency, typically
  10 ms
• Drop-out delay in case of power failure, typically
  10 ms
• Note (Contact resistance)
  in new state
• Contact resistance, maximum
  0.1 Ω
• Rated control voltage at DC, maximum
  28.8 VDC
Rated control voltage at AC 60 Hz, maximum
26.4 VAC
Rated operating voltage
24 VAC -15% / +20%, 24 VDC -20%/+20%, residual ripple max. 10%
Rated AC voltage for controls, 60 Hz, minimum
20.4 VAC
Rated AC voltage for controls at DC minimum
20.4 VDC
Rated AC voltage for controls, 50 Hz, minimum
20.4 VAC
Rated control voltage at AC 50 Hz, maximum
26.4 VAC
Degree of pollution to IEC/EN 60664-1
2
Rated impulse withstand voltage Uimp
4 kV
Ambient temperature, minimum
-25 °C
Restistance to shock
30 g / 11 ms
Resistance to vibrations to EN 60068-2-6
10 ... 55 Hz, Amplitude 0.35 mm
Storage and transport temperature, maximum
+85 °C
Ambient temperature, maximum
+60 °C
Storage and transport temperature, minimum
-40 °C
Degree of protection of the mounting space
IP54
Depth
115 mm
Height
98 mm
Degree of protection of the enclosure
IP40
Tightening torque of Clips
0.5 Nm
Width
22.5 mm
Terminal Connector
Screw connection, plug-in, rigid or flexible
Cable section, maximum
2.5 mm²
Cable section, minimum
0.25 mm²
Number of LEDs
5
Terminal designations
IEC/EN 60947-1
Mounting
Snaps onto standard DIN rail to EN 60715
Number of Safety contacts, STOP 0
3
Mechanical life, minimum
10,000,000 Operations
Number of shutters
1
Number of openers
2
Number of auxiliary contacts
1
Integral System Diagnostics, status
Yes
Integral System Diagnostics, error code
Yes
Earth connection detection
Yes
Reset edge detection
Yes
Feedback circuit
Yes
Automatic reset function
Yes
Start input
Yes
Removable Terminals
Yes
Short-circuit recognition
Yes
Gross weight
175 g
Standards
IEC 61508, EN 60947-5-1, IEC 62061
Climatic stress
EN 60068-2-78
Enclosure material
Glass-fibre reinforced thermoplastic, ventilated
Stop-Category
0
Electronic Fuse
Yes
Material of the contacts, electrical
Ag-Ni, self-cleaning, positive drive
Wire breakage detection
Yes

SRB-E-301ST Related Documents