Description
The Macromatic GB024A4 is a compact 4-pole general purpose plug-in relay designed for high-density, multi-circuit switching in 24 VAC control systems, HVAC panels, and industrial automation control loops. Operating on a 24 VAC control supply voltage, this 14-blade terminal relay features 4 Form C (4PDT) output contacts rated up to 6 Amps at 250 VAC or 30 VDC.
Housed in a transparent dust cover for easy visual inspection, the GB024A4 includes an integrated LED status indicator for immediate power status verification and a manual push-to-test button for quick circuit troubleshooting during commissioning. Designed for fast installation into standard 14-blade socket bases (compatible with DIN-rail or panel surface mounting), this lightweight 0.08 lb (36 g) relay provides an extended mechanical service life of 20 million operations across wide operating temperatures from -40°F to 158°F (-40°C to 70°C).
Key Features
- 4-Pole High-Density Switching: 4 Form C (4PDT) contact configuration provides versatile multi-circuit switching up to 6 A @ 250 VAC / 30 VDC (1500 VA / 180 W maximum capacity).
- 24 VAC Control Voltage: Engineered specifically for standard 24 VAC HVAC control loops, low-voltage automation circuits, and industrial control panels.
- Integrated LED & Push-to-Test Button: Front-facing LED gives visual confirmation of coil power status, while the push-to-test button enables direct manual circuit verification.
- Transparent Protective Cover: Clear dust cover shields internal mechanics from airborne contaminants while enabling visual contact inspection.
- Standard 14-Blade Plug-In Design: 14-blade terminal layout enables rapid plug-in mounting into DIN-rail or surface-mount terminal sockets.
- Heavy-Duty Service Life: Exceptional durability with a 20,000,000 mechanical operation lifespan and an operating range of -40°F to 158°F (-40°C to 70°C).
- Global Standards Compliance: UL Recognized, cUL Recognized, CE Marked, and RoHS Compliant.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | GB024A4 |
| Brand / Series | Macromatic (GB Series) |
| Product Type | General Purpose Blade Terminal Plug-In Relay |
| Control Voltage | 24 VAC |
| Output Contact Configuration | 4 Form C (4PDT) |
| Output Contact Rating | 6 A @ 250 VAC / 6 A @ 30 VDC (1500 VA / 180 W Max) |
| Maximum Voltage | 250 V |
| Terminal Style / Socket Compatibility | 14-Blade Plug-In |
| Power Burden / Load | Approximately 1.5 VA |
| Status & Test Features | Built-in LED Power Status Indicator & Push-to-Test Button |
| Enclosure Type | Transparent Dust Cover |
| Wire Capacity (Socket) | 1 x #12–20 AWG (Solid/Stranded) or 2 x #16–20 AWG (Solid/Stranded) |
| Operating Temperature Range | -40°F to 158°F (-40°C to 70°C) |
| Lifespan | Mechanical: 20,000,000 operations | Electrical: 100,000 operations |
| Product Weight | 0.08 lbs (36 g) |
| Standards & Approvals | UL Recognized, cUL Recognized, CE Marked, RoHS Compliant |
| Primary Applications | HVAC control systems, 24VAC automation loops, multi-circuit signal isolation, PLC output interfacing, machinery interlocks |
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