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MERSEN SPD: Three Phase, 480VAC DELTA & HRG WYE, 1800V (L-G)/4000V (L-L) - Enclosed External-Mount SPDs
MERSENEnclosed External-Mount SPDs

MERSEN SPD: Three Phase, 480VAC DELTA & HRG WYE, 1800V (L-G)/4000V (L-L)

The MERSEN SPD: Three Phase is an enclosed external-mount surge protective device (MPN STZ480D20B1) rated for 480VAC DELTA & HRG WYE systems with a max. continuing operating voltage of 480 V and a voltage protection…

SKU 3G-OTH-21150

Brand
MERSEN
Item
SPD: Three Phase, 480VAC DELTA & HRG WYE, 1800V
Category
Enclosed External-Mount SPDs
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Technical Specifications

MERSEN
Manufacturer Part Number
STZ480D20B1
Type
1800V (L-G)/4000V (L-L), 480 V, 4
Voltage
480VAC DELTA & HRG WYE
Includes
Protection Status LEDs, EMI/RFI Filters, Dry Contacts, Audible Alarm, & Surge Counter
DELTA & HRG WYE
480VAC
Voltage Protection Rating
1800V (L-G)
Max. Continuing Operating Voltage
480 V
View Full Spec Sheet

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN SPD: Three Phase is an enclosed external-mount surge protective device (MPN STZ480D20B1) rated for 480VAC DELTA & HRG WYE systems with a max. continuing operating voltage of 480 V and a voltage protection rating of 1800V (L-G). It includes protection status LEDs, EMI/RFI filters, dry contacts, an audible alarm, and a surge counter.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN enclosed external-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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MERSEN SPD: Three Phase, 480VAC DELTA & HRG WYE, 1800V (L-G)/3000V (L-L), 480 V, Non-Metallic, 4X (MPN STXT480D20A). Key specifications — Voltage: 480VAC DELTA & HRG WYE; Includes: Remote Audible Alarm; Max. Continuing Operating Voltage: 480 V; Voltage Protection Rating: 1800V (L-G); Enclosure Material: Non-Metallic; Brand: MERSEN.
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MERSEN SPD: Three Phase, 480/277VAC WYE, 1200V (L-G)/1200V (L-N)/2000V (L-L)/700V (N-G), 480/277 V (MPN STXT480Y10). Key specifications — Voltage: 480/277VAC WYE; Includes: LED Status Indicator; Max. Continuing Operating Voltage: 480/277 V; Voltage Protection Rating: 1200V (L-N); Enclosure Material: Non-Metallic; Brand: MERSEN.
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MERSEN SPD: Three Phase, 277/480VAC Wye, 1000V (L-N)/1000V (N-G)/1500V (L-G)/2000V (L-L), 480 V (MPN STP480YN05M). Key specifications — Voltage: 277/480VAC Wye; Includes: Microswitch; Max. Continuing Operating Voltage: 480 V; Voltage Protection Rating: 1000V (N-G); Max. Surge Current per Mode: 75 kA; Brand: MERSEN.
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MERSEN SPD: Three Phase, 277/480VAC Wye, 1000V (L-N)/1000V (N-G)/1500V (L-G)/2000V (L-L), 480 V (MPN STP480YN05M). Key specifications — Voltage: 277/480VAC Wye; Includes: Microswitch; Max. Continuing Operating Voltage: 480 V; Voltage Protection Rating: 1000V (N-G); Max. Surge Current per Mode: 75 kA; Brand: MERSEN.
MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07M). Key specifications — Voltage: 480V AC Delta; Number of Wires: 4 Wires; Modes of Protection: L-L; Max. Continuing Operating Voltage: 550/1100 V AC; Voltage Protection Rating: 3000V (L-L); Short Circuit Current Rating: 200kA; Filtering: No; Includes: Form C Dry Contact.
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MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07M). Key specifications — Voltage: 480V AC Delta; Number of Wires: 4 Wires; Modes of Protection: L-L; Max. Continuing Operating Voltage: 550/1100 V AC; Voltage Protection Rating: 3000V (L-L); Short Circuit Current Rating: 200kA; Filtering: No; Includes: Form C Dry Contact.
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