SRB-E-301ST Schmersal Safety Controllers

Product Details

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

SRB-E-301ST Related Documents