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Square D Type S Melting Alloy Overload Relay Jumper Strap Kit
The Square D Type S melting alloy overload relay jumper strap kit is used on three-phase manual and magnetic starters equipped with melting alloy overload relays, allowing a three-phase starter to control a single-phase motor. The kit includes two jumper straps and a wiring diagram showing correct hookup, and is rated for 600 V AC operational voltage (Ue). It is compatible with Square D actuators 2510KG1A, 2510KO2, 2510KW6, and 2510KW2CH.
Key Features
- Kit Contents: Includes two jumper straps and a wiring diagram for correct installation on melting alloy overload relays.
- Application: Enables a three-phase manual or magnetic starter with a melting alloy overload relay to control a single-phase motor.
- Operational Voltage: Rated 600 V AC (Ue) for compatibility with Square D starter platforms.
- Actuator Compatibility: Fits Square D actuators 2510KG1A, 2510KO2, 2510KW6, and 2510KW2CH.
- Standard Installation: Comes standard installed on non-reversing and reversing, combination, and multispeed starters.
- Mounting Flexibility: Available as direct mount or separate mount depending on the starter configuration.
- Field Interchangeable: Thermal units are field interchangeable, supporting replacement motor installations.
- Simple Installation: Straightforward installation and thermal protection for critical motor equipment.
Technical Specifications
- Warranty: 18 months
- Take Back: No
- Tier: 1
- Returnability: Yes
- Warranty Period: 18 months
- Return Indicator: Y
- Sustainable Packaging: No
- Packaging Without Single Use Plastic: No
- Tier Id: 1
- ROHS Eur In Scope: Yes
- Recycled Metal Content At Cr Level: 0 %
- Legacy WEEE Scope: In
- Packaging Made With Recycled Cardboard: Yes
- With Recycled Cardboard: Yes
- Without Single Use Plastic: No
- China ROHS In Scope: No
- WEEE Product Category: 5
- Product Contributes To Saved And Avoided Emissions: No
Typical Applications
- Three-Phase Manual and Magnetic Motor Starters
- Single-Phase Motor Control Through Three-Phase Starters
- Combination and Multispeed Starter Configurations
- Replacement Motor and Thermal Unit Installations
- Industrial and Commercial Motor Control Panels
Why Square D?
Square D backs this jumper strap kit with an 18-month warranty and field interchangeable thermal units, making it easy for electricians and panel builders to service melting alloy overload relays without full assembly replacement. Built for direct or separate mount use on non-reversing, reversing, combination, and multispeed starters, it provides dependable thermal protection for motor control equipment in industrial and commercial installations.
Manufacturer Resources
Product Specs
- Product Type:
- Overload Relay Accessory
- Series:
- Type S
- Voltage Rating:
- 600V
- Country of Origin:
- Mexico
- Department:
- Electrical
- Product Group:
- Motor Control & Automation
- Product Subgroup:
- Overload Relays
Square D 9998SO31 – Frequently Asked Questions
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Does the Square D 9998SO31 come with a warranty?
Absolutely. The Square D 9998SO31 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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