Many procurement teams check REL-IR-BL-L-115AC-4X21 against SMPS Phoenix, Phoenixcontact Rel Ir Bl L 230Ac 4X21 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Phoenix REL-IR-BL/L-115AC/4X21 Single Relay
The Phoenix REL-IR-BL/L-115AC/4X21 Single Relay (Part No: 1109564 ) offers a 115 V ACnominal input voltage UN, 92 V AC ... 189.8 V AC (20 °C) input voltage range, 250 V AC/DC switching voltage, Plug-in connection method. Manufactured by Phoenix under the Phoenix Single Relay category, this model belongs to the Phoenix REL Series.

| Brand | Phoenix Contact |
| Product Type | Single Relay |
| Model Number | REL-IR-BL/L-115AC/4X21 |
Phoenix REL-IR-BL/L-115AC/4X21 Single Relay – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Single relay |
| Mechanical service life | 2x 107 cycles |
| Insulation | Basic insulation |
| Overvoltage category | III |
| Pollution degree | 2 |
| Service life electrical | see diagram |
| Maximum power dissipation for nominal condition | 1 W |
| Test voltage (Winding/contact) | 2.5 kVrms (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | 2 kVrms (50 Hz, 1 min., changeover contact/changeover contact) |
| Rated insulation voltage | 250 V AC |
| Rated surge voltage | 5 kV |
| Nominal input voltage UN | 115 V AC |
| Input voltage range | 92 V AC ... 189.8 V AC (20 °C) |
| Drive and function | monostable |
| Drive (polarity) | non-polarized |
| Typical input current at UN | 9.2 mA (50 Hz) |
| Typical response time | - |
| Coil voltage | 115 V AC |
| Status display | LED (yellow) |
| Contact switching type | 4 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | AgNi |
| Maximum switching voltage | 250 V AC/DC |
| Minimum switching voltage | 12 V (10 mA) |
| Limiting continuous current | 6 A |
| Maximum inrush current | 12 A (20 ms, N/O contacts) |
| Min. switching current | 10 mA (12 V) |
| Interrupting rating (ohmic load) max. | 144 W (24 V DC) |
| Connection method | Plug-in connection |
| Width | 22.5 mm |
| Height | 28 mm |
| Depth | 35.5 mm |
| Degree of protection | RT II |
| Degree of protection (Installation location) | ≥ IP54 (Installation location) |
| Ambient temperature (operation) | -40 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Standards/regulations | EN 61810-1 |
| Mounting type | Plug-in mounting |
| Mounting position | any |
| Mains frequency | 50/60 Hz |
| Typical release time range | 5 ms ... 20 ms |
| Coil resistance | 4.8 kΩ ±12 % |
| Switching capacity | - |
| Motor load according to UL 508 | - |
| Input power dissipation for UN | - |
| 3-phase motor load | - |
| Product family | - |
| Relay type | - |
| Test voltage () | - |
| Degree of protection (Relay) | - |
| Inrush current, minimum | - |
| Non-operate voltage | - |
| Safe operate voltage | - |
| Test voltage (N/O contact / N/O contact) | - |
Phoenix Contact REL-IR-BL/L-115AC/4X21 (Part No: 1109564) is a high-reliability 4 Changeover Contacts Single Relay designed for precision switching in AC-powered industrial automation systems. It’s ideal for control panel applications that demand endurance and multi-circuit performance.
The REL-IR-BL/L-115AC/4X21 is commonly used in industrial relay interface modules, power distribution boards, control logic circuits, and multi-channel switching tasks. Its compact 22.5 mm width allows it to be installed alongside other automation components without consuming excess panel space. Engineers appreciate its four changeover contacts for managing parallel control functions, alarms, or auxiliary loads from a single relay unit.
To view more Phoenix Contact products, visit the brand page. For detailed specs, datasheets, or inquiries about REL-IR-BL/L-115AC/4X21, head to the Phoenix Relay product page.







