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Circuit Protectors
A circuit protector is a circuit breaker that has a function to protect load equipment against overcurrent. Used for overcurrent protection of control panels and overcurrent of power supplies such as communication equipment, OA equipment, etc. Of the safety functions built into control panels and switchboards, the purpose is to protect electrical equipment from electrical circuits, and is used to protect low-capacity control circuits, motors, electronic circuits, etc. that are not protected by wiring breakers (MCCB). Switches with a switch function can actively cut off load current, and circuit protectors may be used as power switches for small-capacity devices. There are also trip-free structures and those with an alarm switch. When selecting a product, check whether it is AC / DC compatible or dedicated, rated current, number of poles, overcurrent operation characteristics, etc.
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Electronic Circuit Protector 787 Series
WAGO
- Electronic Circuit Protector with IO-Link communication function, 787 Series from WAGO.
- With overvoltage protection, electrical equipment and systems can be reliably protected against high voltage thus ensuring system availability.
- Protection of the system against overvoltage by using the overvoltage protection modules.
- High operational safety and system availability by avoiding equipment errors due to overvoltage.
- Space-saving ECB with 1-8 channels, 1 channel for 787-2861, 4 channels for 787-1664 and 8 channels for 787-1668.
- Switch-on capacity > 50,000 μF.Rated Current(A) Number of Poles Rated Voltage Operating properties Rated block capacity voltage conditions besides AC 250 V/DC 60 V Polarity presence Warning output presence Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 4 × 10 DC Other DC24V Instantaneous Available Available NA - 115.5 45 90 From: ₹ 19,770.98 Days to Ship: 6 Day(s) or more 
6 Day(s) or more
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| Rated Current(A) |
| Number of Poles |
| Rated Voltage |
| Operating properties |
| Rated block capacity voltage conditions besides AC 250 V/DC 60 V |
| Polarity presence |
| Warning output presence |
| Representative Standard |
| Dimension height(mm) |
| Dimension width(mm) |
| Dimension depth(mm) |
You can add up to 6 items per a category to the compare list.  | |
| Brand | WAGO |
| Product Series | |
| From | ₹ 19,770.98 |
| Days to Ship | 6 Day(s) or more |
| Rated Current(A) | 4 × 10 DC |
| Number of Poles | Other |
| Rated Voltage | DC24V |
| Operating properties | Instantaneous |
| Rated block capacity voltage conditions besides AC 250 V/DC 60 V | Available |
| Polarity presence | Available |
| Warning output presence | NA |
| Representative Standard | - |
| Dimension height(mm) | 115.5 |
| Dimension width(mm) | 45 |
| Dimension depth(mm) | 90 |
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Specification/Dimensions
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Rated Current(A)
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Number of Poles
- 1
- Other
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Rated Voltage
- AC250V
- DC24V
- AC125V
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Operating properties
- Instantaneous
- Medium speed
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Rated block capacity voltage conditions besides AC 250 V/DC 60 V
- Available
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Polarity presence
- Available
- NA
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Warning output presence
- Available
- NA
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Representative Standard
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Dimension height(mm)
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Dimension width(mm)
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Dimension depth(mm)
Related Categories to Circuit Protectors
FAQ Circuit Protectors
- Question: What is a circuit protector and why is it essential for electrical equipment?
- Answer: A circuit protector is a safety device that stops an electrical circuit from getting damaged due to overload or short circuits. It helps prevent fires and protects equipment by interrupting the flow of electricity when it's too high. Circuit protectors, like fuses or circuit breakers, act as protectors for devices and wiring, ensuring they don’t get too much electrical power. They are crucial as they keep electrical systems safe, preventing damage and potential dangers.
- Question: How does a circuit protector provide overcurrent protection for different devices?
- Answer: A circuit protector safeguards devices from excessive electrical current. It functions as a barrier, stopping the flow of electricity if it becomes too high. Fuses melt or circuit breakers trip, interrupting the circuit to prevent an overload. Circuit protectors are designed in various sizes and types to match the specific power requirements of different devices, ensuring they receive the right level of protection against excessive current flow, thus preventing damage and ensuring safety.
- Question: How do I select the right circuit protector for my equipment?
- Answer: To choose the correct circuit protector for your equipment, consider its power needs and the type of protection required. Know your equipment's voltage and current requirements, then select a protector (like a fuse or circuit breaker) with slightly higher ratings to match. Consider environmental factors if it will be in a tough environment. Follow safety standards and seek advice from an expert or electrician if unsure about the best fit for your equipment.
- Question: Can circuit protectors also act as power switches for devices, and how?
- Answer: Circuit protectors, like some types of circuit breakers, can function as power switches for devices. When a circuit breaker trips due to an overload, it interrupts the flow of electricity, effectively shutting off power to the device. Resetting the circuit breaker restores power. However, not all circuit protectors act as switches. Some, like fuses, can't be reset and require replacement after "tripping" due to an overcurrent situation.
- Question: How to install and set up a circuit protector safely in a control panel?
- Answer: To safely install a circuit protector in a control panel, start by turning off the power. Select the right circuit protector as per panel specifications. Follow the manufacturer's instructions carefully for compatibility. Mount the protector securely inside the panel and connect the wiring according to provided guidelines, ensuring no exposed wires. Test the protector to ensure it works properly. Finally, cover and close the control panel securely. If unsure, it's best to seek guidance from a qualified electrician or professional to ensure safety during installation.
- Question: What should be considered regarding the compatibility and specification of circuit protectors?
- Answer: When looking at circuit protectors, consider a few important things: First, ensure the circuit protector's voltage and current ratings match the equipment it protects. Decide whether a fuse or a circuit breaker is needed based on the protection required. Make sure the circuit protector physically fits the available space and meets application needs. Choose protectors suitable for the environment where they'll be used and that meet safety standards. Additionally, think about the specific requirements of the equipment being protected.
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