power breaker 30ma trip

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I need to hook some heat trace up and need it protected. I’d assume a 4-6 gfci breaker would have nussiance tripping. Is there a cheaper way to achieve 30ma or just find the breaker That’s meets this ?  

Not sure what heat trace is---is it the same as heat tape? Does the stuff plug in? If it is a plug in you have no choice if the receptacle is in an area that requires gfci. If it is direct wired then you don't need gfci unless the instructions call for it. Floor heat has gfci protection in the T-stat so I am not certain about what you have  

Depending what it is for it does need GFCI protection, for example, 427.22 requires it for pipeline and vessels. Likewise, 426.28 requires it for snow melting and de-icing equipment. It does NOT however specify class A (which is the 4-6mA trip) as the protection for receptacles does in 210.8. This means that a 30mA device can be used (IIRC this is class E protection).  

Is this a commercial application or residential? I have installed hard wired heat tracing on 8" chiller pipes on the roof and used regular GFCI breakers without a problem. It was a system with T-stats and indicator lights. But then, I have not been back to check on it. I would try the GFCI for personal and if it does not work then look for the GFCI for equipment. What did the instructions say?  

Just about every heat trace I've installed has 30 ma GFI breakers. Very rarely do they trip, if they do, there's usually a problem somewhere.  

We've got a fair amount that has never had a GFI breaker on it, some with 5 mA breakers and the rest (obviously) is on 33 mA Breakers. I don't know that the 5 mA trips any more often than any other. Typically, when there is a fault it will trip the breaker regardless of the GFI rating. If there is only a bit of moisture in an end or power kit, that might make a difference.  

Old parallel CH BR afci breakers were clearly labeled on the side as having 30ma ground fault protection. That is the only time I have ever willingly installed an arc fault breaker. Gfpe breaker for a third of the cost :thumbup: :thumbup:  

GE and Eaton BR won't work for that now.  

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PowerBreaker White 13A RCD Fused Spur - Passive 30mA

Product Code: H92WPAPN-C Brand: PowerBreaker

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Protect yourself from electrical faults with PowerBreaker’s White 13A RCD Fused Spur (H92WPA-C). Residual current devices , like the H92WPA-C, monitor the current flowing through their live and neutral wires and, if they detect an imbalance, automatically cut the power before it can cause any damage. With an ultra-quick trip speed of less than 20 milliseconds, this RCD fused spur also acts more quickly than competitors for greater safety. It’s ideal for use with a wide range of appliances, including everything from cold drink dispensers to hotel hair dryers.

In addition to featuring scratch resistant urea construction, it comes complete with both an LED power indicator and a mechanical flag trip indicator. When it comes to RCD protection , count on PowerBreaker – the UK’s number one residual current device brand.

• RCD fused spur
• Construction: scratch resistant urea (front plate)
• Colour: White
• High intensity LED power on indicator
• Mechanical flag trip indicator
• Recessed buttons prevent unintended operation
• Adjustable cable clamp in accordance with BS1363-4
• Integral cord outlet and cable clamp
• Fuse holder can be locked out for safety
• Twin earth terminals
• Rated Voltage: 230V AC 50Hz
• Max operating current: 13A (13A inductive)
• Rated trip current: 30mA
• Typical trip speed: less than 20ms
• RCD contact break: Double Pole
• Latching: mechanical, no need to reset after power loss (passive)
• Responsive to: pulsating DC earth faults
• Conforms to BS 1363-4:1995 Amd 1, 2, 3 and BS 7288:1990 Amd 1
• EMC Emissions – EN 55014-1:2006 & EN 55014-1:2000 inc A1:2001 & A2:2002
• EMC Immunity – EN 61543:1995 inc A11: 2003, A12:2005 & A2:2006
• Warranty: 1 year
• Weight (g): 195
• Fits 25mm standard back box
• Dimensions (mm): H – 86, W – 86, D – 27.2 (plate)
• Product code: H92WPAPN-C

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Metalclad Steel PowerBreaker RCD Fused Spur Active 30mA 230V

Code: h92mpaan-c.

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• Max operating current: 13A (Inductive)
• Voltage: 230V AC
• Rated trip current: 30mA
• Double Pole
• Active Non-Latching - Has to be manually reset after power loss
• Supplied with back box
• Dimensions (L x H x D): 86mm x 86mm x 64.5mm (including back box)
• Trips due to pulsating DC earth faults
• Trip speed: <20mS
• 1 Year Guarantee
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What does the leakage circuit breaker 30ma mean?

By direct contact of electrical shock hazards relatively large, causing serious consequences, so to use a higher sensitivity leakage circuit breakers, power tools, portable electrical equipment and temporary line, should be installed in the operating current of 30ma circuit, operation time leakage circuit breakers within 0.1s of. More residential household appliances, preferably mounted on the rear into the household power meter. So, it should be installed in the loop operating current of 30ma 30ma this number is what does that mean? In fact, representatives 30ma rated leakage current, IΔn = 30mA represents the rated residual current 30mA, IΔ = 15 mA represents the rated leakage current 15mA. It refers to a group of current flowing charge. Magnitude of the current is called a current intensity, the amount of charge by means of a cross-section of the wire per coulomb of electricity through a one amp per unit time is referred. Ampere is a basic unit of the International System of Units. Ammeter is designed to measure the current instrument. There are many natural load charge carriers, e.g., electrons movable conductive body, the electrolyte ions, electrons and the like ions within the ion, in hadron quark. Because of the presence of voltage, electric power is generated field, the free charge circuit subjected to electric force generated directional movement, thus forming a current circuit.

30ma refers to the rated current leakage circuit breakers, if the leakage exceeds the rated leakage current leakage circuit breaker will trip. Most drain leakage circuit breakers only one kind of specifications, has a drain leakage circuit breaker has several specifications, using DIP switches to select the rated leakage current block value. Leakage circuit breakers rated current 30ma refers to the leakage circuit breakers, in fact, for the earth leakage circuit breaker, the leakage circuit breaker parameters 30ma just one parameter index, there are a lot of indicators can help identify leakage circuit breakers scope and attention matter, if you are interested in some of the indicators parameters leakage circuit breakers, the more some understanding of it.

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Why 30mA and 300ms?

A Residual Current Device is designed to protect people against death from electric shock.  To do this it must trip at below 30mA and in less than 300ms according to the Australian Standards.   But have you ever stopped to wonder why those particular values are chosen for the protection levels?

An Interesting History

Figure 20 from IEC 60479-1:2018

AC-1:     Perception possible but usually no startled reaction

AC-2:     Involuntuary muscular contraction but no harmful effects

AC-3:     Strong muscular contractions, reversible disturbance to heart function, and difficulty breathing.

AC-4:     Possible irreversible effects (ie burns) and risk of ventricular fibrillation

                AC-4.1 <5% chance of heart fibrillation  

                AC-4.2 <50% chance of heart fibrillation

                AC-4.3 >50% chance of heart fibrillation

Determining the trip thresholds

We can see from the graph that a trip threshold of 30mA means that the shock current will never enter the zone where it could cause heart fibrillation, regardless of the duration.  By also limiting the maximum trip time at 30mA to 300ms, it means that the actual tripping threshold will be below a level where it causes issues to breathing or the heart.  For the same reason a current of 5xIDn (ie 150mA) must cause a trip in less than 40ms.

This is the reason the trip thresholds are set at the levels they are. If you’d like to learn more about RCD technology or standards, please visit our website at https://resources.ipd.com.au/rcd/

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Mini circuit breaker, E-Frame, 30A, 3 pole, 480Y/277VAC, 65kA max, bolt on, shunt trip

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Power Breaker 30ma Trip - Factory, Suppliers, Manufacturers from China

Our team through qualified training. Skilled professional knowledge, powerful sense of support, to satisfy the support desires of consumers for Power Breaker 30ma Trip, Waterproof Connection Box , Residual Current Breaker With Overcurrent Protection , Stand Alone Inverter , Residual Circuit . And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are welcome to come to China, to our city and to our factory! The product will supply to all over the world, such as Europe, America, Australia,Namibia, Costa rica,Amman, Romania.We strive for excellence, constant improvement and innovation, is committed to make us the customer trust and the first choice of engineering machinery accessories brand suppliers. Choose us, sharing a win-win situation!

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Power Breaker PowerBreaker H 13A, BS Fixing, Passive, Single Gang RCD Socket, Polycarbonate, Surface Mount, Switched,

Technical Reference

• K RDC Sockets

Legislation and Compliance

RoHS Status: Not Applicable

Product Details

Power breaker rcd socket, features and benefits, applications, certifications, specifications, related links.

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