Documentation & Downloads
Schmersal 101170840 Safety Relay SRB402EM with 4 Safety Contacts, 24 VDC, IP40, 250 g
- MPN: 101170840
- PPN: SCM-101170840
CAD
$386.72
/ EA
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Spec sheet
Description
Safety Relay SRB402EM with 4 Safety Contacts, 24 VDC, IP40, 250 g
Features
- Expander module for contact expansion
- 4 safety contacts, STOP 0
- 2 Signalling outputs
Documentation & Downloads
Specifications
Key Specifications
- Width
- 22.5 mm
- Depth
- 121 mm
Height120 mm
Electrical data - Relay outputs (auxiliary contacts)
- Switching capacity, maximum
- 24 VDC
Switching capacity, maximum2 A
Electrical data
- Frequency range
- 50 Hz | 60 Hz
- Ripple voltage
- 10 %
- Rated operating voltage
- 24 VDC
- Rated control voltage at AC 50 Hz, maximum
- 26.4 VAC
- Rated control voltage at AC 60 Hz, maximum
- 26.4 VAC
- Rated control voltage at DC, maximum
- 28.8 VDC
- Electrical power consumption
- 1 VA
- Note (Contact resistance)
- in new state
- Pull-in delay at automatic start, maximum, typically
- 30 ms
Operating voltage24 VAC -15 % / +10 % | 24 VDC -15 % / +20 %
Rated operating voltage24 VAC
Rated AC voltage for controls, 50 Hz, minimum20.4 VAC
Rated AC voltage for controls, 60 Hz, minimum20.4 VAC
Rated AC voltage for controls at DC minimum20.4 VDC
Electrical power consumption1 W
Contact resistance, maximum0.1 Ω
Drop-out delay, maximum35 ms
Material of the contacts, electricalAgSn0. self-cleaning, positive drive
Note
- Note (General)
- Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.
Mechanical data - Dimensions
- Width
- 22.5 mm
- Depth
- 121 mm
Height120 mm
Ambient conditions - Insulation values
- Rated impulse withstand voltage U
- 4 kV
- Degree of pollution
- 2
Overvoltage categoryIII
General data - Features
- Stop-Category
- 0
- Removable Terminals
- Yes
- Automatic reset function
- Yes
- Integral system diagnostics, status
- Yes
- Number of LEDs
- 1
- Number of safety contacts
- 4
Wire breakage detectionYes
Feedback circuitYes
Earth connection detectionYes
Number of auxiliary contacts2
Number of normally closed (NC)1
General data
- Standards
- EN IEC 62061 | EN ISO 13849-1 | EN IEC 60947-5-1 | EN IEC 60947-5-3 | EN IEC 60947-5-5 | EN IEC 61508 | EN IEC 60204-1 | EN IEC 60947-1
- Enclosure material
- Glass-fibre reinforced thermoplastic, ventilated
Climatic stressEN 60068-2-78
Gross weight250 g
Safety classification
- Standards
- EN ISO 13849-1 | EN IEC 61508
- Category, Stop 0
- 4
- PFH value, Stop 0
- 2.00 x 10⁻⁸ /h
- Mission time
- 20 Year(s)
Performance Level, stop 0, up toe
Diagnostic Coverage (DC) Level, Stop 0≥ 99 %
Safety Integrity Level (SIL), Stop 0, suitable for applications in3
Common Cause Failure (CCF), minimum65
Wiring example
- Note (Wiring diagram)
- Relay outputs: 1-channel control of the expander module is suitable for contact reinforcement or multiplication of the connected safety relay module. | Terminals X1 and X2 of the expander module must be connected to the feedback circuit or reset circuit of the safety relay module. | The wiring diagram shows the control of the expander module by a SRB... safety relay module with the guard doors closed and in de-energised condition.
Ambient conditions
- Degree of protection of the enclosure
- IP40
- Degree of protection of clips or terminals
- IP20
- Storage and transport temperature, minimum
- -40 °C
- Resistance to vibrations
- 10...55 Hz, Amplitude 0.35 mm, ± 15 %
Degree of protection of the mounting spaceIP54
Ambient temperature-25 ... +45 °C
Storage and transport temperature, maximum+85 °C
Restistance to shock10 g / 11 ms
Mechanical data - Connection technique
- Termination
- rigid or flexible | Screw connection, plug-in
- Cable section, minimum
- 0.25 mm²
- Tightening torque of Clips
- 0.6 Nm
Terminal designationsIEC/EN 60947-1
Cable section, maximum2.5 mm²
Electrical data - Safe relay outputs
- Voltage, Utilisation category AC-15
- 230 VAC
- Voltage, Utilisation category DC-13
- 24 VDC
- Switching capacity, minimum
- 10 VDC
- Switching capacity, maximum
- 250 VAC
Current, Utilisation category AC-156 A
Current, Utilisation category DC-136 A
Switching capacity, minimum10 mA
Switching capacity, maximum8 A
Mechanical data
- Mechanical life, minimum
- 10,000,000 Operations
MountingSnaps onto standard DIN rail to EN 60715
Approvals - Standards
- Certificates
- cULus | CCC
Electrical data - Electromagnetic compatibility (EMC)
- EMC rating
- EMC-Directive
Electrical data - Digital inputs
- Conduction resistance, maximum
- 40 Ω
Status indication
- Indicated operating states
- Position relay K1/K2
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CAD
$386.72
/ EA
Available to Order
Lead times may vary. For an accurate estimate please contact us.
Company Stock:
0
Looking to buy a large quantity?
To View Branch Inventory And Your Custom Pricing
Spec sheet
CAD$386.72/ EA
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