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BUSSMANN BSPD48RJ45 DIN Rail Surge Protection Device, 48V DC, 2-Wire, L-L - DIN Rail Internal-Mount Data & Signal SPDs
BUSSMANNDIN Rail Internal-Mount Data & Signal SPDs

BUSSMANN BSPD48RJ45 DIN Rail Surge Protection Device, 48V DC, 2-Wire, L-L

The BUSSMANN BSPD48RJ45 is a single-phase data surge protection device (SPD) designed for DIN-rail internal mounting. This 2-wire unit provides L-L mode protection with a max. continuing operating voltage of 48 V DC…

SKU 3G-OTH-23509

Brand
BUSSMANN
Item
BSPD48RJ45 DIN Rail Surge Protection Device, 48V DC, 2-Wire, L-L
Category
DIN Rail Internal-Mount Data & Signal SPDs
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
BSPD48RJ45
Type
L-G/L-L
DC
48V
Poles
1
Wires
2
Voltage
48V DC
Filtering
No
Mounting Style
DIN-Rail
Number of Wires
2 Wires
Enclosure Material
Zinc Die Casting
Modes of Protection
L-L
Voltage Protection Rating
600V (L-G)
Max. Continuing Operating Voltage
48 V DC

Technical Documents

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

Product Description

The BUSSMANN BSPD48RJ45 is a single-phase data surge protection device (SPD) designed for DIN-rail internal mounting. This 2-wire unit provides L-L mode protection with a max. continuing operating voltage of 48 V DC and a voltage protection rating of 600V (L-G). It features a zinc die-casting enclosure and does not include filtering.

Frequently Asked Questions

What is the BUSSMANN BSPD48RJ45 surge protection device used for?

The BUSSMANN BSPD48RJ45 protects single-phase 48V DC data lines from voltage surges. It is commonly installed on DIN rails in industrial control panels, telecommunications equipment, and building automation systems to safeguard sensitive electronics against transient overvoltages.

What are the specifications of the BUSSMANN BSPD48RJ45?

The BUSSMANN BSPD48RJ45 is a single-phase data SPD rated for 48V DC with 2 wires and 1 pole. It provides L-L mode protection, has a max. continuing operating voltage of 48V DC, and a voltage protection rating of 600V (L-G). The enclosure is zinc die casting and it mounts on a DIN rail.

Where to buy the BUSSMANN BSPD48RJ45 worldwide?

3G Electric supplies the BUSSMANN BSPD48RJ45 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this DIN-rail data surge protection device.

How to install the BUSSMANN BSPD48RJ45 on a DIN rail?

To install the BUSSMANN BSPD48RJ45, clip the zinc die-cast enclosure onto a standard 35mm DIN rail. Connect the 2 wires per the L-L protection mode diagram, ensuring the 48V DC supply is off. Follow generic SPD installation best practices for proper grounding and surge path.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses
Not sure this is the right part? Photo-identify it→

BUSSMANN Products

3G Electric supplies BUSSMANN din rail internal-mount data & signal spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
45 A, 1-pole supplementary protector with B-curve trip characteristic for overload and short-circuit protection. Rated 240/415V AC and 60V DC with a maximum interrupting rating of 10kA at 120/240V AC. Features screw clamp terminals and DIN rail mounting. Suitable for industrial control panels, HVAC systems, and machinery where low inrush currents are present
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45 A, 1-pole supplementary protector with B-curve trip characteristic for overload and short-circuit protection. Rated 240/415V AC and 60V DC with a maximum interrupting rating of 10kA at 120/240V AC. Features screw clamp terminals and DIN rail mounting. Suitable for industrial control panels, HVAC systems, and machinery where low inrush currents are present
This 1-pole supplementary protector from the C60SP series features a B-curve trip characteristic for moderate inrush currents. Rated 50A with a maximum interrupting rating of 10kA at 120/240V AC and 60V DC, it uses screw clamp terminals for secure wiring. Suitable for overcurrent and short-circuit protection in control panels, HVAC, and machinery applications
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This 1-pole supplementary protector from the C60SP series features a B-curve trip characteristic for moderate inrush currents. Rated 50A with a maximum interrupting rating of 10kA at 120/240V AC and 60V DC, it uses screw clamp terminals for secure wiring. Suitable for overcurrent and short-circuit protection in control panels, HVAC, and machinery applications
B-Curve, 1-pole supplementary protector rated 0.5 A, 240/415V AC and 60V DC, with 10kA interrupting capacity at 120/240V AC. UL1077 listed for DIN rail mounting. Screw clamp terminals. Suitable for overcurrent protection in control panels, HVAC, and automation applications where branch-circuit protection is not required
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B-Curve, 1-pole supplementary protector rated 0.5 A, 240/415V AC and 60V DC, with 10kA interrupting capacity at 120/240V AC. UL1077 listed for DIN rail mounting. Screw clamp terminals. Suitable for overcurrent protection in control panels, HVAC, and automation applications where branch-circuit protection is not required
This SCHNEIDER C60SP supplementary protector is a 1-pole, B-curve device rated 63 A with screw clamp terminals. It is UL1077 listed for DIN rail mounting and provides overcurrent and short-circuit protection for downstream equipment. Typical applications include industrial control panels, HVAC systems, and machinery where moderate inrush currents are present
SCHNEIDER
This SCHNEIDER C60SP supplementary protector is a 1-pole, B-curve device rated 63 A with screw clamp terminals. It is UL1077 listed for DIN rail mounting and provides overcurrent and short-circuit protection for downstream equipment. Typical applications include industrial control panels, HVAC systems, and machinery where moderate inrush currents are present
This SCHNEIDER C60SP supplementary protector is a 2A, B-curve, 1-pole device rated for 240/415V AC and 60V DC, with a maximum AIR of 14kA at 120/240V AC. It features screw clamp terminals and is UL1077 listed for DIN rail mounting. Suitable for overcurrent and short-circuit protection in industrial control circuits, HVAC equipment, and panelboard branch circuits
SCHNEIDER
This SCHNEIDER C60SP supplementary protector is a 2A, B-curve, 1-pole device rated for 240/415V AC and 60V DC, with a maximum AIR of 14kA at 120/240V AC. It features screw clamp terminals and is UL1077 listed for DIN rail mounting. Suitable for overcurrent and short-circuit protection in industrial control circuits, HVAC equipment, and panelboard branch circuits
1 A, B-curve, 1-pole supplementary protector from the C60SP series. Rated 240/415V AC, 60V DC, with a maximum AIR of 14kA at 120/240V AC. Screw clamp terminal connection. Designed for DIN rail mounting and UL1077 listed for overcurrent protection in branch circuits and equipment
SCHNEIDER
1 A, B-curve, 1-pole supplementary protector from the C60SP series. Rated 240/415V AC, 60V DC, with a maximum AIR of 14kA at 120/240V AC. Screw clamp terminal connection. Designed for DIN rail mounting and UL1077 listed for overcurrent protection in branch circuits and equipment

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DIN Rail internal-mount surge protective device for data and signal lines. Provides L-L mode protection with a voltage protection rating of 550V (L-G). Operates at 5V DC with a maximum continuing operating voltage of 6 V DC. Features a 4-pole, 4-wire configuration and a polyamide enclosure. Suitable for single-phase applications in industrial control and telecom systems
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DIN Rail internal-mount surge protective device for data and signal lines. Provides L-L mode protection with a voltage protection rating of 550V (L-G). Operates at 5V DC with a maximum continuing operating voltage of 6 V DC. Features a 4-pole, 4-wire configuration and a polyamide enclosure. Suitable for single-phase applications in industrial control and telecom systems
This BUSSMANN surge protection device is designed for DIN-rail mounting in data and signal circuits. It provides L-L protection for 24V DC systems with a maximum continuous operating voltage of 33 V DC and a voltage protection rating of 102V (L-L). The unit has 4 poles and 4 wires, housed in a polyamide enclosure, and does not include filtering
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This BUSSMANN surge protection device is designed for DIN-rail mounting in data and signal circuits. It provides L-L protection for 24V DC systems with a maximum continuous operating voltage of 33 V DC and a voltage protection rating of 102V (L-L). The unit has 4 poles and 4 wires, housed in a polyamide enclosure, and does not include filtering