We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
Supco Surge Protection Device: Single Phase, 120/240V AC, 600V (L-G, L-N, N-G)/900V (L-L) - HVAC Equipment External-Mount SPDs
SupcoHVAC Equipment External-Mount SPDs

Supco Surge Protection Device: Single Phase, 120/240V AC, 600V (L-G, L-N, N-G)/900V (L-L)

The SUPCO Surge Protection Device is a single-phase HVAC equipment external-mount SPD with a plastic enclosure. It operates at 120/240V AC with a maximum continuous operating voltage of 150/300 V AC. The device…

SKU 3G-OTH-21429

Brand
Supco
Item
Surge Protection Device: Single Phase, 120/240V AC, 600V
Category
HVAC Equipment External-Mount SPDs
Series
L-G
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Supco
Manufacturer Part Number
LBK10
Type
600V (L-G, L-N, N-G)/900V (L-L), Plastic
AC
120/240V
Voltage
120/240V AC
Enclosure Material
Plastic
Voltage Protection Rating
600V (L-G, L-N, N-G)
Max. Continuing Operating Voltage
150/300 V AC
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SUPCO Surge Protection Device is a single-phase HVAC equipment external-mount SPD with a plastic enclosure. It operates at 120/240V AC with a maximum continuous operating voltage of 150/300 V AC. The device provides a voltage protection rating of 600V for line-to-ground, line-to-neutral, and neutral-to-ground modes.

Used in

Common applications for Supco
Commercial refrigeration display cases — Supco RO82 relay and CSS-25U starter for compressor motor control without run capacitors
Medium-load HVAC systems — Supco SPP 6/SPP 8 hard-start devices to reduce compressor inrush current and extend motor lifespan
Cold-chain pharmaceutical and food storage — SL300TH temperature–humidity data logger for continuous monitoring and regulatory documentation
Refrigerant service operations — Piercing valves and perforator cocks in 1/2" and 5/8" sizes for fast, non-invasive line access
Compressor thermal management — Universal Compressor Door for reducing shell temperature and improving efficiency in hot ambient conditions
Retrofit and field repairs — Supco controls with Quick Connect terminals for rapid installation in legacy refrigeration circuits

Supco Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SQUARE D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L, N-G)/600V (L-N)/700V (L-G) (MPN HEPD80). Key specifications — attr196152: 120/240V AC; attr196159: 150 V AC; attr196160: 600V (L-N); attr196162: Plastic; attr196172: 40kA; attr211145: SQUARE D.
SQUARE
SQUARE D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L, N-G)/600V (L-N)/700V (L-G) (MPN HEPD80). Key specifications — attr196152: 120/240V AC; attr196159: 150 V AC; attr196160: 600V (L-N); attr196162: Plastic; attr196172: 40kA; attr211145: SQUARE D.
SIEMENS Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-G, L-N, N-G), Steel (MPN TPS3A12300XD2). Key specifications — Voltage: 120/240V AC; Includes: Dry Contacts; Max. Continuing Operating Voltage: 150 V AC; Voltage Protection Rating: 1200V (L-L); Enclosure Material: Steel; Max. Surge Current per Mode: 150kA (L-G; Brand: SIEMENS.
Siemens
SIEMENS Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-G, L-N, N-G), Steel (MPN TPS3A12300XD2). Key specifications — Voltage: 120/240V AC; Includes: Dry Contacts; Max. Continuing Operating Voltage: 150 V AC; Voltage Protection Rating: 1200V (L-L); Enclosure Material: Steel; Max. Surge Current per Mode: 150kA (L-G; Brand: SIEMENS.
SIEMENS Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-G, L-N, N-G), Steel (MPN TPS3A12200X02). Key specifications — Voltage: 120/240V AC; Includes: Dry Contacts; Max. Continuing Operating Voltage: 150 V AC; Voltage Protection Rating: 1200V (L-L); Enclosure Material: Steel; Max. Surge Current per Mode: 100kA (L-G; Brand: SIEMENS.
Siemens
SIEMENS Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-G, L-N, N-G), Steel (MPN TPS3A12200X02). Key specifications — Voltage: 120/240V AC; Includes: Dry Contacts; Max. Continuing Operating Voltage: 150 V AC; Voltage Protection Rating: 1200V (L-L); Enclosure Material: Steel; Max. Surge Current per Mode: 100kA (L-G; Brand: SIEMENS.
EATON Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L)/600V (L-G, L-N)/800V (N-G), 4 (MPN CHSPT2SURGE). Key specifications — attr196152: 120/240V AC; attr196164: 4 Self Tapping Screws; attr196159: 150/300 V AC; attr196160: 1000V (L-L); attr196162: Advanced Polymer; attr196172: 36kA; attr211145: EATON.
EATON
EATON Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L)/600V (L-G, L-N)/800V (N-G), 4 (MPN CHSPT2SURGE). Key specifications — attr196152: 120/240V AC; attr196164: 4 Self Tapping Screws; attr196159: 150/300 V AC; attr196160: 1000V (L-L); attr196162: Advanced Polymer; attr196172: 36kA; attr211145: EATON.
LITTELFUSE Surge Protection Device: Single Phase, 120V AC, 1200V (L-G)/600V (N-G)/700V (L-N), 4X (MPN SPDN-C120-1P). Key specifications — Voltage: 120V AC; Includes: LED Status Indicator; Max. Continuing Operating Voltage: 180 V AC; Voltage Protection Rating: 700V (L-N); Enclosure Material: Polycarbonate; Brand: LITTELFUSE.
LITTELFUSE
LITTELFUSE Surge Protection Device: Single Phase, 120V AC, 1200V (L-G)/600V (N-G)/700V (L-N), 4X (MPN SPDN-C120-1P). Key specifications — Voltage: 120V AC; Includes: LED Status Indicator; Max. Continuing Operating Voltage: 180 V AC; Voltage Protection Rating: 700V (L-N); Enclosure Material: Polycarbonate; Brand: LITTELFUSE.
LITTELFUSE Surge Protection Device: Single Phase, 120V AC, 1200V (L-G)/600V (N-G)/700V (L-N), 4X (MPN SPDN-D120-1P). Key specifications — Voltage: 120V AC; Includes: LED Status Indicator; Max. Continuing Operating Voltage: 180 V AC; Voltage Protection Rating: 700V (L-N); Enclosure Material: Polycarbonate; Brand: LITTELFUSE.
LITTELFUSE
LITTELFUSE Surge Protection Device: Single Phase, 120V AC, 1200V (L-G)/600V (N-G)/700V (L-N), 4X (MPN SPDN-D120-1P). Key specifications — Voltage: 120V AC; Includes: LED Status Indicator; Max. Continuing Operating Voltage: 180 V AC; Voltage Protection Rating: 700V (L-N); Enclosure Material: Polycarbonate; Brand: LITTELFUSE.

More from Supco

View all Supco parts →