Citel 480 Volt 50kA Surge Protection Device | 3 Phase Delta
Dwayne Kula | President, CTO and Founder
Out of stock
Product Specifications
Key Features
| Brand | Citel |
| SPD Type | UL1449 TYPE 1 LISTED |
| Volts | 480 |
| Phase | 3 Phase Delta |
| Modes | L-L, L-G |
| Voltage Protection Rating | 2500/1500 |
| Maximum Continuous Operating Voltage | 560/560 |
| IN | 20 kA |
| SCCR | 150 kA |
| IMAX | 50 kA |
| Technology | MOV-GSG |
| Network Configuration | 3PH, 3W+G, Delta |
| Connection Method | 36 in #12 AWG LEADS |
| Mounting | Threaded 1/2 in NPT |
| Fail Safe | Yes, no upstream over current protection required |
| Real-Time Diagnostics | LED and audible alarm |
The CITEL M50-A Series is a panel-mounted surge protective device (SPD) designed for service entrance, branch, and distribution panel applications, featuring hybrid MOV-GSG technology, 50kA surge current protection per mode, LED status indication, and an audible alarm.
It provides L-L, and L-G protection with no leakage current, is suitable for indoor or outdoor installation, and is UL 1449 Type 1 Listed.
Additional Resources
Product Overview
The Citel M50-A Series surge protective device is a panel-mounted SPD for 480V, 3-phase delta electrical systems. It is designed for service entrance, branch, and distribution panel installation, providing protection in line-to-line and line-to-ground modes.
This UL 1449 Type 1 Listed device uses MOV-GSG technology and provides 50kA surge current protection per mode. It is suitable for indoor or outdoor installation.
Core Performance and Output
The SPD is configured for 3-phase, 3-wire plus ground delta networks. It has a 560/560V maximum continuous operating voltage, 20kA nominal discharge current rating, and 150kA SCCR.
Voltage protection ratings are 2500V line-to-line and 1500V line-to-ground. The MOV-GSG design provides surge protection with no leakage current.
Build Quality and Physical Characteristics
The device mounts through a threaded 1/2 in NPT opening and connects using 36 in. #12 AWG leads. This panel-mount arrangement supports installation directly at the electrical distribution equipment being protected.
Installation and Long-Term Use
The Citel M50-A Series includes a fail-safe design that does not require upstream overcurrent protection. LED status indication and an audible alarm provide real-time diagnostic notification.
Where This Product Fits Best
This surge protective device is suited to maintenance, repair, and retrofit work involving 480V 3-phase delta lighting electrical systems and related distribution panels.
- fixture repair and replacement
- lighting maintenance support
- retrofit support
- service stock for maintenance teams
- field repair projects
Safety, Certifications, and Warranty
The Citel M50-A Series is UL 1449 Type 1 Listed.
Frequently Asked Questions
Q: Does this surge protective device require upstream overcurrent protection?
A: No. The Citel M50-A Series has a fail-safe design that does not require upstream overcurrent protection.
Q: How does the Citel M50-A Series indicate its operating status?
A: The Citel M50-A Series provides real-time diagnostics through LED status indication and an audible alarm.
Q: What electrical system is this SPD designed for?
A: This surge protective device is designed for 480V, 3-phase, 3-wire plus ground delta electrical systems.
Web ID: 2756
