Franklin Electric Moteur submersible Manuel utilisateur

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User questions

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Patricia G.

What are the protection requirements for 10-inch submersible motors?

Protection for submersible motors is implemented by monitoring current, voltage, and temperature across all phases. The protection system safeguards against underload, overload, voltage fluctuations, current imbalance, overheating (when equipped with thermal sensors), false starts, and phase reversal. In a locked-rotor condition, the protection must trip within a maximum of 10 seconds to safeguard the motor windings.

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Patricia G.

What are the protection specifications for 10-inch three-phase submersible motors?

Submersible motors are protected by monitoring systems that track current, voltage, and temperature. These systems protect against underload, overload, under-voltage, over-voltage, current imbalance, overheating, false starts, and phase reversal. In the event of a blocked motor, the protection must be capable of tripping within 10 seconds to safeguard the motor windings.

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Patricia G.

What are the protection features for 10-inch and general three-phase submersible motors?

The SubMonitor system protects three-phase motors (3 to 200 hp) by monitoring current, voltage, and temperature. It prevents damage from underload/overload, under/overvoltage, current imbalance, overheating (via Subtrol sensors), false starts, and phase reversal. In locked rotor conditions, the protection must trip within 10 seconds to protect the windings.

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Patricia G.

What are the water temperature operating limits for submersible motors?

Standard motors are designed for water up to 30°C (86°F). For higher temperatures, specialized Hi-Temp versions can operate in water up to 90°C (194°F). Applications in water exceeding 30°C require specific heat factor multipliers for motor selection and potentially increased water flow.

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Patricia G.

What protections does the SubMonitor system provide for three-phase motors?

The SubMonitor protects against underload/overload, under/over-voltage, current imbalance, motor overheating (when using a Subtrol sensor), false starts, and phase reversal. For blocked motors, it is designed to trip within 10 seconds to protect the windings.

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Patricia G.

What are the motor protection requirements for 10-inch submersible motors?

Submersible motors are protected by monitoring current, voltage, and temperature. Protections cover under-load/overload, under-voltage/over-voltage, current imbalance, overheating, false starts, and phase reversal. For 10 hp motors, specific fuse and circuit breaker ratings must be applied according to the supply voltage. Overload protection must be capable of tripping within 10 seconds during a locked rotor condition to protect windings.

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Patricia G.

What are the temperature operating limits for Franklin motors?

Standard motors are designed for water temperatures up to 30 °C (86 °F). Beyond this, increased water flow around the motor or the use of a Hi-Temp version (rated up to 90 °C / 194 °F) is required. Water temperatures between 35 °C and 60 °C (95 °F to 140 °F) require applying heat factor multipliers to select the appropriate motor.

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Patricia G.

What are the motor protection features for 10-inch motors?

For 3-phase motors including 10-inch models, the SubMonitor system protects against underload/overload, under/overvoltage, current imbalance, phase reversal, and false starts. If equipped with a Subtrol sensor, it also monitors for overheating. In locked-rotor conditions, the protection is designed to trip within 10 seconds to shield the windings.

G N

Patricia G.

What are the protection specifications for 10-inch submersible motors?

Protection for motors (rated 5 to 350 A / 3 to 200 hp) is provided by systems like the SubMonitor, which monitors current, voltage, and temperature. It protects against underload/overload, under/overvoltage, current imbalance, overheating (when using a Subtrol heat sensor), false starts, and phase reversal. For locked-rotor conditions, the protection must trip within 10 seconds to shield the windings. Fuse and breaker sizing should follow standard tables based on the specific supply voltage (e.g., 380V, 460V, 575V).

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Patricia G.

How to protect three-phase submersible motors with ratings from 3 to 200 hp?

Use a SubMonitor to monitor current, voltage, and temperature. It provides protection against underload/overload, under/overvoltage, current imbalance, overheating (via Subtrol sensor), false starts, and phase reversal. For 10 hp motors, specific fuse and circuit breaker ratings must be selected based on the supply voltage (e.g., 380V, 460V, 575V), and the protection must trip within 10 seconds in case of a locked rotor.

G N

Patricia G.

What are the protection features for 10-inch submersible motors?

Protection is provided by a SubMonitor system that monitors current, voltage, and temperature. It protects against underload/overload, under-voltage/over-voltage, current imbalance, overheating (via Subtrol sensor), false starts, and phase reversal. In the event of a lock, the protection must trip within 10 seconds to protect the windings.

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