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SCHNEIDER Ground Fault Sensor for Relays, Model RH99P - Ground Fault Sensors for Relays
SCHNEIDERGround Fault Sensors for Relays

SCHNEIDER Ground Fault Sensor for Relays, Model RH99P

The SCHNEIDER Ground Fault Sensor (MPN 50438) is a ground fault sensor for relays, model RH99P. It features a closed toroid design for equipment monitoring and control.

SKU 3G-OTH-189464

Brand
SCHNEIDER
Item
Ground Fault Sensor for Relays, Model RH99P
Category
Ground Fault Sensors for Relays
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SCHNEIDER
Manufacturer Part Number
50438

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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER Ground Fault Sensor (MPN 50438) is a ground fault sensor for relays, model RH99P. It features a closed toroid design for equipment monitoring and control.

Frequently Asked Questions

What is the SCHNEIDER Ground Fault Sensor 50438 used for?

The SCHNEIDER Ground Fault Sensor 50438 (model RH99P) detects ground faults in electrical systems for equipment monitoring and control. It is used with relays to protect machinery and personnel from leakage currents in industrial plants, manufacturing lines, and power distribution networks.

What are the specifications of the SCHNEIDER Ground Fault Sensor 50438?

The SCHNEIDER Ground Fault Sensor 50438 is model RH99P with a closed toroid design. It is a ground fault sensor for relays, manufactured by SCHNEIDER. The part number is 50438. It is designed for equipment monitoring and control in industrial electrical systems.

Where to buy the SCHNEIDER Ground Fault Sensor 50438 worldwide?

3G Electric supplies the SCHNEIDER Ground Fault Sensor 50438 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this RH99P closed toroid sensor for your equipment monitoring needs.

How to install the SCHNEIDER Ground Fault Sensor 50438?

Install the SCHNEIDER Ground Fault Sensor 50438 by mounting the closed toroid around the conductor or neutral wire. Connect the sensor output to a compatible ground fault relay. Follow standard electrical safety practices: de-energize the circuit, verify voltage absence, and torque connections per manufacturer guidelines.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER ground fault sensors for relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
The SCHNEIDER LR9G630 is a 3-pole IEC electronic overload relay with 1NO/1NC auxiliary contacts, trip class 5E/30E, and a maximum voltage rating of 500V AC. It features phase loss sensitivity and box lug terminals. Designed for motor protection in industrial control panels and machinery, it integrates with TeSys Giga contactors (160 to 630 Amp models) and does not require thermal units
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The SCHNEIDER LR9G630 is a 3-pole IEC electronic overload relay with 1NO/1NC auxiliary contacts, trip class 5E/30E, and a maximum voltage rating of 500V AC. It features phase loss sensitivity and box lug terminals. Designed for motor protection in industrial control panels and machinery, it integrates with TeSys Giga contactors (160 to 630 Amp models) and does not require thermal units
IEC electronic overload relay with 3 poles, trip class 5E/30E, and 1NO/1NC auxiliary contacts. Provides phase loss sensitivity and wire leads terminal connection. Rated for 1000V AC. For use with TeSys Giga contactors (28 to 115 Amp models) and TeSys series contactors in motor control applications
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IEC electronic overload relay with 3 poles, trip class 5E/30E, and 1NO/1NC auxiliary contacts. Provides phase loss sensitivity and wire leads terminal connection. Rated for 1000V AC. For use with TeSys Giga contactors (28 to 115 Amp models) and TeSys series contactors in motor control applications
IEC electronic overload relay for motor protection, 3-pole, with trip class 5E/30E and phase loss sensitivity. Rated 500V AC, auxiliary contacts 1NO/1NC, box lug terminals. Compatible with TeSys Giga contactors 125 to 500 A. No thermal units required
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IEC electronic overload relay for motor protection, 3-pole, with trip class 5E/30E and phase loss sensitivity. Rated 500V AC, auxiliary contacts 1NO/1NC, box lug terminals. Compatible with TeSys Giga contactors 125 to 500 A. No thermal units required
Three-pole IEC thermal overload relay with integrated bimetallic elements, eliminating the need for external thermal units. Features 1NO/1NC auxiliary contacts and phase loss sensitivity for motor protection. Signaling circuit rated up to 690V AC. Screw clamp terminals. Compatible with TeSys K contactors
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Three-pole IEC thermal overload relay with integrated bimetallic elements, eliminating the need for external thermal units. Features 1NO/1NC auxiliary contacts and phase loss sensitivity for motor protection. Signaling circuit rated up to 690V AC. Screw clamp terminals. Compatible with TeSys K contactors
DIN-rail mounted relay for undercurrent monitoring. Rated 8 A with screw terminals, supply voltage 60 to 280V AC. Pick-up range 110 to 240V AC/DC, drop-out range ±10%. 9 terminals. Used in industrial control panels for motor protection, pump control, and conveyor systems to detect current drops
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DIN-rail mounted relay for undercurrent monitoring. Rated 8 A with screw terminals, supply voltage 60 to 280V AC. Pick-up range 110 to 240V AC/DC, drop-out range ±10%. 9 terminals. Used in industrial control panels for motor protection, pump control, and conveyor systems to detect current drops
Three-pole IEC thermal overload relay with integrated bimetallic elements for motor protection. Features 1NO/1NC auxiliary contacts, phase loss sensitivity, and screw clamp terminals. Designed for use with TeSys K contactors in industrial motor control applications
SCHNEIDER
Three-pole IEC thermal overload relay with integrated bimetallic elements for motor protection. Features 1NO/1NC auxiliary contacts, phase loss sensitivity, and screw clamp terminals. Designed for use with TeSys K contactors in industrial motor control applications

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