57120-M3 | Leviton Type 2 3-Phase Surge Panel with Replaceable Surge Modules
Leviton · Circuit Breakers & Protection
Description The Leviton 57120-M3 is a Type 2 3-phase surge protective panel for 120/208 V Wye systems, featuring replaceable surge modules, 150 kA per-phase capacity, and advanced diagnostics for reliable facility-wide surge protection. Technical Specifications Condition New/Never Used Surplus Brand Leviton Category Panel Accessories Part Number 57120-M3 Subcategory Surge Arrestor/Suppressor Frequency 50/60 Hz Voltage Configuration 120/208 V, 3-Phase Wye Recommended Circuit Breaker Rating 30 A, 120 V Surge Technology 40 mm MOV Design Protection Mode 4-Mode (L-N, L-G, N-G, L-L) Maximum Surge Current, Per Mode (Per Phase) 150 kA (300 kA total) MCOV L-N: 150 V, L-G: 300 V, N-G: 150 V, L-L: 300 V Nominal Discharge Current Rating 20 kA Short Circuit Current Rating 100 kA VPR L-N: 1000 V, L-G: 1500 V, N-G: 800 V, L-L: 1500 V Transient Energy per Phase 2000 J Noise Rejection –20 to –40 dB at 5 kHz–10 MHz Enclosure Type 12 / NEMA 12 hinged Flammability Rated V-2 per UL 94 Operating Temperature –20 °C to 40 °C Storage Temperature –20 °C to 85 °C (–4 °F to 185 °F) Relative Humidity 5 % to 95 %, non-condensing Connection Type Parallel-hardwired, feed-through dual-wire terminal block (accepts up to #3 AWG) Mounting Panel surface / flush Replaceable Modules Yes Surge Counter No Diagnostics Real-time protection status LEDs & audible alarm Remote Monitoring Dry contact leads, N.O./N.C. Form C, rated 7 A @ 240 VAC or 30 VDC Standards UL 1449 (3rd Ed.), CSA, ANSI/IEEE C-62.41 & C-62.45 (Categories A, B, C) Type Modular dual-stage fused Design Use Distribution panel Model 57120-M3 Multiple Phase Modular Panel System Weight 15.00 lbs Information About 57120-M3 The Leviton 57120-M3 is a modular Type 2 surge protective device designed for 120/208 V 3-phase Wye distribution panels. Built with replaceable and redundant surge modules, it provides continuous high-capacity protection of up to 150 kA per phase, safeguarding electrical systems from transient overvoltages. Its NEMA 12 steel enclosure, dual-stage fused design, and advanced diagnostics make it ideal for demanding commercial and industrial environments. Real-time status LEDs, an audible alarm, and remote monitoring capabilities ensure timely alerts and maintenance readiness. Key Features: High Surge Capacity: 150 kA per phase (300 kA total) with 4-mode protection (L-N, L-G, N-G, L-L). Replaceable Surge Modules: Modular design with 3× 7120 and 1× 8120-GN units for easy maintenance. Advanced Diagnostics: Real-time status LEDs, audible alarm, and Form C dry contacts for remote monitoring. Robust Construction: NEMA 12 powder-coated steel enclosure with UL 94 V-2 flammability rating. Noise Filtering: –20 dB to –40 dB attenuation at 5 kHz–10 MHz for improved power quality. Environmental Resilience: Operates from –20 °C to +40 °C and in 5–95 % non-condensing humidity. Standards Compliance: UL 1449 3rd Edition, CSA, and ANSI/IEEE C-62.41 & C-62.45 (Categories A, B, C). Flexible Wiring: Parallel-hardwired terminal blocks accept up to #3 AWG wire for easy installation. The 57120-M3 delivers reliable, high-performance surge protection for critical electrical infrastructure, ensuring operational continuity and equipment longevity.
Brand: Leviton · Category: Circuit Breakers & Protection
Key features
- High Surge Capacity: 150 kA per phase (300 kA total) with 4-mode protection (L-N, L-G, N-G, L-L).
- Replaceable Surge Modules: Modular design with 3× 7120 and 1× 8120-GN units for easy maintenance.
- Advanced Diagnostics: Real-time status LEDs, audible alarm, and Form C dry contacts for remote monitoring.
- Robust Construction: NEMA 12 powder-coated steel enclosure with UL 94 V-2 flammability rating.
- Noise Filtering: –20 dB to –40 dB attenuation at 5 kHz–10 MHz for improved power quality.
- Environmental Resilience: Operates from –20 °C to +40 °C and in 5–95 % non-condensing humidity.
- Standards Compliance: UL 1449 3rd Edition, CSA, and ANSI/IEEE C-62.41 & C-62.45 (Categories A, B, C).
- Flexible Wiring: Parallel-hardwired terminal blocks accept up to #3 AWG wire for easy installation.
Specifications
| Manufacturer part number | 57120-M3 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Leviton |
| Category | Panel Accessories |
| Part Number | 57120-M3 |
| Subcategory | Surge Arrestor/Suppressor |
| Frequency | 50/60 Hz |
| Voltage Configuration | 120/208 V, 3-Phase Wye |
| Recommended Circuit Breaker Rating | 30 A, 120 V |
| Surge Technology | 40 mm MOV Design |
| Protection Mode | 4-Mode (L-N, L-G, N-G, L-L) |
| Maximum Surge Current, Per Mode (Per Phase) | 150 kA (300 kA total) |
| MCOV | L-N: 150 V, L-G: 300 V, N-G: 150 V, L-L: 300 V |
| Nominal Discharge Current Rating | 20 kA |
| Short Circuit Current Rating | 100 kA |
| VPR | L-N: 1000 V, L-G: 1500 V, N-G: 800 V, L-L: 1500 V |
| Transient Energy per Phase | 2000 J |
| Noise Rejection | –20 to –40 dB at 5 kHz–10 MHz |
| Enclosure | Type 12 / NEMA 12 hinged |
| Flammability | Rated V-2 per UL 94 |
| Operating Temperature | –20 °C to 40 °C |
| Storage Temperature | –20 °C to 85 °C (–4 °F to 185 °F) |
| Relative Humidity | 5 % to 95 %, non-condensing |
| Connection Type | Parallel-hardwired, feed-through dual-wire terminal block (accepts up to #3 AWG) |
| Mounting | Panel surface / flush |
| Replaceable Modules | Yes |
| Surge Counter | No |
| Diagnostics | Real-time protection status LEDs & audible alarm |
| Remote Monitoring | Dry contact leads, N.O./N.C. Form C, rated 7 A @ 240 VAC or 30 VDC |
| Standards | UL 1449 (3rd Ed.), CSA, ANSI/IEEE C-62.41 & C-62.45 (Categories A, B, C) |
Contact Safety Shops for pricing, delivery and project support in the UAE.