Phoenix Contact REL-IR-BL/L-230AC/4X21 Industrial Relay (Product Code: 1032531)
The Phoenix Contact 1032531 (Type Designation: REL-IR-BL/L-230AC/4X21) is a plug in, miniature “ice cube” style industrial power relay designed for electrical signal isolation, logic multiplication, and power amplification in automated electrical systems. Part of Phoenix Contact’s ESSENTIAL edition product family, this relay features a high density, multi pole layout housed in a transparent enclosure for easy visual inspection of the internal copper coil and silver contact assemblies.
Key Features
-
4 Changeover Contact Configuration: Equipped with 4 PDT (double pole, double throw / 4 Form C) independent contacts, allowing a single input command to simultaneously switch up to four completely isolated downstream circuits.
-
Integrated Test Button & Diagnostics: Designed with a prominent red manual test button on the top faceplate to match its AC coil classification. This allows commissioning technicians to manually actuate the contacts and verify downstream loop logic without energizing the circuit.
-
Visual Status Indicators: Features an integrated yellow status LED alongside a mechanical position flag indicator for quick optical diagnostics during panel maintenance.
-
Durable Silver Nickel (AgNi) Contacts: Built with hard wearing silver nickel alloy contact surfaces that strongly resist electrical arcing and micro welding, offering a massive mechanical life expectancy of up to 30,000,000 operational cycles.
-
Clear Front Panel Schematic Layout: Printed with a clear pinout circuit diagram directly on the clear front faceplate (11 through 44 and coil inputs A1-A2), reducing wiring and troubleshooting errors in the field.
Technical Specifications
| Feature | Specification |
| Model Type / Designation | REL-IR-BL/L-230AC/4X21 |
| Ordering Code / Part Number | 1032531 |
| Brand / Manufacturer | Phoenix Contact |
| Product Family Class | ESSENTIAL edition |
| Nominal Coil Input Voltage | 230V AC (50/60Hz utility grids) |
| Contact Arrangement Type | 4 PDT / 4 Changeover Contacts |
| Limiting Continuous Current | 6 A per contact tier |
| Maximum Switching Voltage | 250V AC / 250V DC |
| Physical Dimensions | Width: 22.5mm | Height: 28mm | Depth: 35.5m |
| Operational Temperature Window | -40degree C + 70degree C |
| Global Standards & Approvals | cRUus Recognized, CE Compliant |
Applications
-
Main Level Control Panel Interfacing: Connects directly to 230V AC control lines to distribute interlocking signals, safe stop routines, and field operational commands across four distinct control loops.
-
Industrial Panelboard Automation: Functions as a robust signal multiplier inside packaging conveyors, textile mills, water treatment installations, and automotive assembly machinery.
-
Galvanic Protection Isolation Gates: Establishes a highly resilient dielectric barrier between sensitive electronic processor modules and heavy field loads, such as large motor starter coils, alarms, or heating elements.
-
HVAC Systems & Facility Management: Integrated into centralized building automation system (BAS) enclosures to switch ventilation fans, damper actuators, and climate control pumps running on standard AC line utility distribution profiles.
