Description
The Macromatic GB024A2 is a compact 2-pole general purpose plug-in relay designed for reliable switching in 24 VAC control circuits, HVAC system panels, and industrial automation control loops. Operating on a 24 VAC control supply voltage, this 8-blade terminal relay features high-capacity 2 Form C (DPDT) output contacts rated up to 12 Amps at 250 VAC or 30 VDC.
Housed in a transparent dust cover for easy visual inspection of internal contacts, the GB024A2 includes an integrated LED status indicator for immediate coil power verification and a manual push-to-test button for rapid circuit troubleshooting during commissioning and maintenance. Designed for fast installation into standard 8-blade socket bases (such as the Macromatic SB2ZC5 socket base for DIN rail or panel surface mounting), this lightweight 0.08 lb (36 g) relay offers 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
- High-Capacity 12A Switching: 2 Form C (DPDT) contact configuration handles switching loads up to 12 A @ 250 VAC / 30 VDC (3000 VA / 360 W maximum capacity).
- 24 VAC Control Voltage: Engineered specifically for standard 24 VAC HVAC control loops, low-voltage automation circuits, and control panels.
- Integrated LED & Push-to-Test Button: Front-facing LED provides visual confirmation of coil power, while the manual push-to-test button enables quick circuit verification.
- Transparent Protective Cover: Clear dust cover shields internal mechanics from airborne contaminants while permitting visual contact inspection.
- Standard 8-Blade Plug-In Design: 8-blade terminal layout enables rapid plug-in mounting into DIN-rail or surface-mount terminal sockets.
- Heavy-Duty Service Life: Built for high reliability 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 | GB024A2 |
| Brand / Series | Macromatic (GB Series) |
| Product Type | General Purpose Blade Terminal Plug-In Relay |
| Control Voltage | 24 VAC |
| Output Contact Configuration | 2 Form C (DPDT) |
| Output Contact Rating | 12 A @ 250 VAC / 12 A @ 30 VDC (3000 VA / 360 W Max) |
| Maximum Voltage | 250 V |
| Terminal Style / Socket Compatibility | 8-Blade Plug-In (Compatible with SB2ZC5 socket base) |
| 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, 24 VAC automation loops, PLC output interfacing, motor control interlocks, signal isolation |
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