Q: what is the differance in the three 050534 potted breakers shown
A: Where are you seeing the three potted breakers?
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Q: Is the power source in the Module?
A: The power source would be the power supply the exit device the EL device is connected to.
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Q: What is the function of this device?
A: This is the part number for the Electric Latch Retraction Potted Circuit Breaker. Do you have an EL device? If so, this part distributes the voltage and current to the proper coil in the solenoid.
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Q: Yes there is another question. I have 2 doors with a 3-wire solenoid in the panic bar, and can only get a 2-wire to feed doors. Since these was install, when you strike your card at card reader you have a split second to open the door before it re-locks. Would these devices correct this issue? Also how much do these run price wise. Some info. These are powered by a Von duprin power suppy. Wired for the voltage that the solenoid requires. 24 volts to be exact. I'm the electrician that wired the doors. I haven't gotten much support on this from the installing contractor of the doors and hardware ect. To get them to work I had to splice 2 wires and capped off the 3rd wire. Thanks for all of your help with this issue. Any and all info would help me resolve this issue. Thanks again. James
A: First - would simply installing a time delay into the power supply solve your problem? Anything here look lik a solution for you:
Download File
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Q: Hello, This question is with regards to retrofitting a 050534 EL Potted Circuit Breaker in a series 99 push bar that originally came with a 110741-00. If retrofitting the old style 110741-00 in a series 99 push bar, are there any other pieces needed for the door to work properly. The new EL Potted breaker has an internal resistance of 30 ohms and 5.5 ohms with the solenoid attached. While the old style was around 75 ohms and 22 ohms with the solenoid attached. When I put an old style from another door in, it pulls 1.5 amps and work fine. With the new style it doesn't work. I’m reading voltage but next to no amps, .250. Doing the math I should be around 5.5amps, which the circuit breaker is probably tripping to protect the circuit. The unit is powered by a PS873 power supply. Thanks, Ken B
A: Ken - You cannot test the potted circuit breaker in that fashion. I need voltage measurements. Call me with the potted circuit breaker in hand and tied into the power supply and I will help you test the product.
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Q: There is no need to call you, I tested the circuit thoroughly. I have 2 new potted breakers that do not work, that are supposed to be a direct replacement to the old. When I use the old part number breaker in this door, the door works fine. So my question that you did not answer is the same. Are there any other parts required to use the new EL Potted Breaker in place of the old part number, Yes or No.
A: I understand you will using the 050534 in a 99 device that originally came with a 110741-00.
The salable part number for the old/obsoleted EL PCB part number 110741-00 was 050534-00. Even though we replaced the old black box with the current clear amber colored EL PCB, the salable part number is still 050534-0
The question being: can they be simply swapped out? The answer is: Yes, unplug and plug…
Is there a follow up question that we can perhaps attempt to answer? We take deep pride in our technical expertise, as we know it separates us from our competition, so don't hesitate to ask.
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if we can assist you by answering further questions or with entering this order and please let us know if there is anything else we can help with.
Q: are these devices polarity sensitive? The factory connectors are rolled. The white wire mates up to the black wire when plugged together.
A: The 050534 pulse width modulator is not polarity sensitive.
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Q: I HAVE TO CHANGE THE 11O741-00 TO THE NEW 050534-00 WHEN I DO THE DOOR DOESN'T WORK. IT SEEMS THAT THE SOLENOID DOESN'T HAVE ENOUGHT POWER TO PULL IN.
A: What devise are you installing this in and what power supply are you using?
Q: Purchased Potted circuit breaker 050534-00 which is supposed to be a direct replacement for 110741-00 but it doesnt work. We are using power supply PS873. Do i need to also replace Solenoid? i would appreciate an answer.
A: What device are you working with? Have you ensured you are getting voltage from the PS873 and at the solenoid as well?
Q: Why would an EL 98/99 solenoid get hot?
A: If voltage going into the solenoid is much higher than 24VDC it could cause the solenoid to get hot.
Check the power supply output voltage to confirm.
If the holding coil on EL solenoid is shorted out it could cause the solenoid to get hot.
The holding coil resistance on EL98/99 solenoid should be 98-120 ohm.
Q: client called and said that the circuit breaker doesn't look the same as what they ordered. I asked that she email me photos of what she received. The part was able to be connected however it did not fix the problem. The door continued to lock and unlock erratically. Maybe the part is bad? Unsure what the problem is, but I do know it is not working. If there are any further questions please let me know and I will inquire with the maintenance crew.
A: Unfortunately, intermittent/erratic operation can be from a variety factors.
Assuming voltage and amperage are sufficient for the EL device (24VDC on a linear supply capable of outputting 16amps):
Verify wire gauge and wire run length as seen at the table here:
View Image
It may be worth it to check splices in the wiring. If there is a bad connection on a wire nut at the electrified hinge, the device might not operate correctly.
The solenoid coils can be tested as well. By setting a volt meter on the OHMs setting, measure between green and yellow (1.2 – 2.2 OHMs) and between green and orange (110 – 140 OHMs).
There can be mechanical issues causing problems as well.
The EL solenoid adjustment bushing usually needs to be between eight and ten exposed threads as seen here:
View Image
However, I have had experiences where, on concealed rod or cable devices, where we had to shorten the threads to three or lengthen them as far out as 13. That is pretty rare though.
If this is on an aluminum door, make sure the mounting screws are not over-torqued. If the mounting screws are too tight on an aluminum door, it makes the panic bar bow out just a bit which puts tension on the EL dogging rod. This can cause failures as well.
Lastly, if there are vertical rods, disconnect them. If the issues continue, it is something else. If the problems go away, it is a rod adjustment issue.
Q: Is there anything that we can do to determine if the potted circuit breaker is the trouble - the symptom that we have is intermittent operation.
A: You can check for voltage on the green and orange wires and you should get about 23.5VDC. Unfortunately, testing the inrush side is kind of hard. The meter needs to already be on green and yellow when the access control is used, and, at best, you will only see a spike in voltage or amperage because that circuit is only closed for 1/3 to ½ of a second. But, if they see a spike of voltage, or a spike of amperage, that side of the circuit breaker is most likely doing its job as well. Usually, we troubleshoot it by having the customer try the opening with a different one they know is working.
Q: Just replaced a 050534 pot. Striker still will not pull in. But my input voltage to pot is 32VDC. Is that too high for a 24VDC PS873 power supply? Similar unit in building is 27VDC. Checked output voltage from new pot and get 31VDC. Solenoid ohms are to spec. I can bypass pot and get solenoid to work.
A: The output voltage from your PS873 as seen here:
Click Here
is most certainly incorrect (failing) @ 32Vdc (although 27Vdc is within normal range). I would suggest that you apply proper 24 volts to that unit and report back your findings.
Q: Could you please tell me if the Von Duprin 050534 el would work with an ? Markings on the unit are TS1500X3-C-24 VDC, 200-1141-00, 24 VDC. The original control is marked Sun ST-7553 , 1824 RP99. The connections appear to be the same ? Thanks so much, Image here:
View Image
A: In what type of device is the Intersol Industries Solenoid used in?
Q: Hello, sorry for leaving that information out. It's for a door latch... thanks again !
A: Please reply to this email with photographs of the door latch.
Q: My solenoid is getting really hot to the touch and then it is not working properly. Do you think i need to replace the solenoid and the circuit breaker
A: Hot to the touch may not be an indicator of the solenoid requirement replacement but it working intermittently would be. If this is the case, yes a replacement may be in order, though first I would measure the ohm value and report back. This will us us absolutely if the unit is in need of repalcement.
Q: Will the VON DUPRIN 050534 EL Potted Circuit Breaker work in a First Chpice 3690 Concealed Vertical Rod Exit Device?
A: It will not because the design has changed on the Von Duprin unit. You will need to order the
First Choice EL3000 Solenoid Driven Electric Latch Retraction Retrofit Kit
as seen here:
Click Here
Q: Is this a direct replacement for the von duprin 971687?
A: Yes, the Dor-O-Matic PB300 971687-00 EL Solenoid 24 VDC Package of 1 is discontinued and replaced with the VON DUPRIN 050535.
Q: Okay the link you sent me was the potted circuit breaker. Just need to clarify the Part# 101031-00 is replaced with Von Durprin 050534 and the Solenoid 971687-00 is replaced with Von Duprin 050535 correct?
A: I have the 101031-00 in stock.
Q: I have a 33A device and need a Von Duprin 050534 but see that you also have a part number Von Duprin 50534 on your site. Can you confirm that these are the same?
A: I can confirm that the five-digit and six digit part number are the same part number. There are instances where the leading zero is dropped off but the proper part number is a 6-digit part number (there are also instances where Von Duprin will have a dash and then two additional part numbers but I find the route 6 digit part number has always been the correct part number).
Q: Are there any field tests i can do to determine whether or not the black potted circuit breaker on a 99 el needs replacement and if yes what would that be ?
A: Make sure power is there on green and orange (24 VDC ) for the time they need to gain access in.
A very helpful guide can be reviewed here:
Download File
Q: Need to verify the voltage requirements of a 101031-00 potted breaker
A: 24vdc