SSP3A250B7 | Schneider Electric Harmony SSP 3-Phase Solid State Relay 50A
Schneider Electric · Relays, Contactors & Switches
Description The Schneider Electric SSP3A250B7 is a three-phase solid-state relay designed to switch high-current AC loads in industrial control systems. Rated for 50 A, it uses zero-voltage switching to ensure smooth operation of resistive loads while reducing electrical noise. This relay is commonly applied in heating systems, packaging equipment, and plastic processing machinery. Technical Specifications Condition New/Never Used Surplus Brand Schneider Electric Category Industrial Control Part Number SSP3A250B7 Subcategory Solid State Relays Product Type Solid State Relay (SSR) Series Harmony SSP Number of Phases 3 Contact Configuration 3 Normally Open (NO) Maximum Load Current 50 A (with heat sink) Output Voltage Range 48–530 VAC Control Input Voltage 18–36 VAC Input Current 15–20 mA Switching Mode Zero voltage switching Response Time 20 ms ON / 30 ms OFF Ingress Protection IP20 Mounting Type Panel / Chassis mount Weight 0.60 lb Information About SSP3A250B7 The SSP3A250B7 is part of Schneider Electric’s Harmony SSP series, which is engineered for durable and maintenance-free solid-state switching. It is constructed as a panel-mounted relay with finger-safe screw terminals to support secure installation in industrial enclosures. The relay is compatible with three-phase AC systems and is optimized for resistive load control where frequent switching is required. Integrated suppression components and zero-cross switching technology enhance reliability and protect connected equipment from transients. Key Features: Three-Phase Solid-State Design: Supports three-phase AC load control in industrial power systems 50 A Load Capacity: Handles high-current resistive loads when properly heat-sinked Zero-Voltage Switching: Minimizes electrical stress and reduces electromagnetic interference Wide Output Voltage Range: Operates across 48–530 VAC output circuits AC Control Input: Accepts 18–36 VAC control signals for flexible integration Integrated Protection: Includes RC snubber and transient voltage suppression circuitry Status LED Indicator: Provides visual confirmation of control input presence The SSP3A250B7 delivers the reliability and precision required for high-current industrial heating and process control applications.
Brand: Schneider Electric · Category: Relays, Contactors & Switches
Key features
- Three-Phase Solid-State Design: Supports three-phase AC load control in industrial power systems
- 50 A Load Capacity: Handles high-current resistive loads when properly heat-sinked
- Zero-Voltage Switching: Minimizes electrical stress and reduces electromagnetic interference
- Wide Output Voltage Range: Operates across 48–530 VAC output circuits
- AC Control Input: Accepts 18–36 VAC control signals for flexible integration
- Integrated Protection: Includes RC snubber and transient voltage suppression circuitry
- Status LED Indicator: Provides visual confirmation of control input presence
Specifications
| Manufacturer part number | SSP3A250B7 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Schneider Electric |
| Category | Industrial Control |
| Part Number | SSP3A250B7 |
| Subcategory | Solid State Relays |
| Product Type | Solid State Relay (SSR) |
| Series | Harmony SSP |
| Number of Phases | 3 |
| Contact Configuration | 3 Normally Open (NO) |
| Maximum Load Current | 50 A (with heat sink) |
| Output Voltage Range | 48–530 VAC |
| Control Input Voltage | 18–36 VAC |
| Input Current | 15–20 mA |
| Switching Mode | Zero voltage switching |
| Response Time | 20 ms ON / 30 ms OFF |
| Ingress Protection | IP20 |
| Mounting Type | Panel / Chassis mount |
| Weight | 0.60 lb |
| Product type | Solid State Relays |
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