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For Phoenix Contact PSR Classic Series Replacement 24 V DC Supply Voltage Safety Relay
- group name
- Phoenix Contact Safety Relay Replacement
- Min Order
- 1 piece
- brand name
- DADISICK
- model
- PSR Classic series | PSR-SCP- 24DC/CE3/3X1/1X2/B, PSR-SCP-24UC/CE1/3X1/1X2/B, PSR-SCP-24UC/CE2/3X1/1X2/B, PSR-SCP- 24UC/ESA4/3X1/1X2/B, PSR-SCP- 24UC/ESA2/4X1/1X2/B
- Delivery clauses under the trade mode
- CIP
- Acceptable payment methods
- T/T
- update time
- Fri, 05 Dec 2025 20:37:25 GMT
Paramtents
Supply voltage 24 V DC -15 % / +10 %
Power consumption typ. 1.68 W, typ. 1.32 W
Outputs 2 N/O, 2 N/C
Typical response time 100 ms to 200 ms
Rated insulation voltage 250 V
Contact material AgSnO2, AgSnO2, + 0.2 µm Au
Ambient temperature -20℃ - 55 ℃, -20℃ - 65℃
Packging & Delivery
-
Min Order1 piece
Briefing
DADISICK offers replacement safety relays for PSR classic Series, 24 V DC -15 % / +10 % Supply Voltage
Detailed
For Phoenix Contact PSR Classic Series Replacement Safety Relay Parameter
Brand | From network | DADISICK |
|||
Models | PSR-SCP- 24DC/CE3/3X1/1X2/B |
LS-3A1B.C | |||
PSR-SCP-24UC/CE1/3X1/1X2/B | |||||
PSR-SCP-24UC/CE2/3X1/1X2/B | |||||
PSR-SCP- 24UC/ESA4/3X1/1X2/B | |||||
PSR-SCP- 24UC/ESA2/4X1/1X2/B | |||||
Supply voltage | 24 V DC -15 % / +10 % | 24V DC/AC | |||
Current consumption | typ. 38 mA, typ. 50 mA | ≤90mA (24V DC); ≤240mA (24V AC) | |||
Rated insulation voltage | 250 V | 250V AC | |||
Contact material | AgSnO2, AgSnO2 + 0.2 µm Au | AgSnO2 + 0.2μm Au | |||
Operating temperature | -20℃ - 55 ℃, -20℃ - 65℃ | -20℃~+60℃ | |||
Output | PSR-SCP- 24DC/CE3/3X1/1X2/B; PSR-SCP-24UC/CE2/3X1/1X2/B | Enabling current paths: 2 N/O contacts each in series, safety-related, floating
Signaling current path: 2 N/C contacts parallel, non-safety-related, floating | 3NO + 1NC; 3 (NO) safety output, 1 (NC) auxiliary output | ||
PSR-SCP-24UC/CE1/3X1/1X2/B; PSR-SCP- 24UC/ESA4/3X1/1X2/B; PSR-SCP- 24UC/ESA2/4X1/1X2/B | Enabling current paths: 2 N/O contacts in series, safety-related, floating
Signaling current path: 2 N/C contacts parallel, non-safety-related, floating | ||||
Connection terminal | Screw terminal | Screw terminal | |||
Product model display instructions
The brands and specifications shown on this page are for product selection only. Our safety relay is a safety part made by DADISICK, not an official brand of Phoenix Contact's products. DAIDSICK offers replacements for official brand products. We are not the owner of the brands. If you need to buy official brand products, please contact the brand's official representative.
Safety Relay Recommendations
LS-3A1B.C is a safety relay suitable for emergency stop, safety door, PNP type safety light curtain signals of various mechanical equipment. lt has 3 normally open (NO) safety output contacts and 1 normally closed (NC) auxiliary output contact and can select single/dual channel operation, manual/automatic reset, and short circuit monitoring between channels. lt adopts the design of components produced in China, has excellent cost performance, and maintains the performance, specifications, quality, etc.
Safety Relay FAQ
Q: If a safety relay disconnects the circuit during use, is it a device failure or a dangerous factor detected?
A: Circuit breakage can be caused by many factors. First, check whether there are any dangerous factors, such as potential circuit accidents. If it is confirmed that there are no hidden dangers, the safety relay may be faulty. At this point, you can try restarting the relay. If the problem persists, you need to troubleshoot or replace the relay.
Q: What should I do if the safety relay output contact fuse?
A: The output contact fuse of safety relay, it is usually caused by a short circuit fault or overcurrent. At this time, the new fuse should be replaced and the circuit should be checked for short circuit or overcurrent problems to avoid similar faults from happening again.
Q: What is the difference between automatic reset and manual reset?
A: Automatic reset means there is no reset switch in the feedback circuit and the device starts automatically when the input is turned on. Manual reset means there is a reset switch in the feedback circuit, and when the input is open, the device will not start unless the reset switch is pressed. Manual reset is basically safer and it must be performed after all hazards have been cleared. Therefore, manual reset is used for machines and emergency stop circuits that personnel can enter, and automatic reset is used for machines that personnel cannot enter.
Q: What is the reason why the safety relay contacts cannot separate?
A: Failure separation of the safety relay contacts can be caused by mechanical bonding, welding, or cold welding. In addition, low contact capacity, heavy load, or changes in load characteristics can also cause failure to connect or disconnect the circuit. At this time, check the contact status and replace or adjust if necessary.
Q: How to adjust the operating parameters of the safety relay?
A: When adjusting the operating parameters of a safety relay, its technical parameters, such as contact thickness, open gap, overtravel and terminal pressure, should be measured first to ensure that all parameters meet the requirements of relevant regulations and working documents. Then, adjust the set value of the action parameter according to actual requirements and fix it with stop paint.
Q: What precautions should be taken when using safety relays in combination with other components?
A: When using safety relays in combination with other components, ensure compatibility and coordination between the components. At the same time, relevant safety regulations and operating procedures should be followed to ensure the safety and stability of the entire circuit system.
Disclaimers
The product model information provided on this website is sourced from public channels, aiming to provide users with reference for product comparison and selection. This website does not guarantee the accuracy, completeness, or reliability of information, nor does it constitute a recommendation or recognition of any brand or company. Users should verify and bear corresponding risks when using the information provided on this website. This website shall not be liable for any loss or damage caused by the use of information on this website.
