Surge Arrestors-BT PUM 4WD 240 RM/4P

The main distribution network benefits from Surge Arrestors BT PUM 4WD 240 RM/4P(815083) because it protects indirect lightning surges while maintaining a low protection level (VPR) through its dedicated low voltage equipment protection design. Application in AC voltage system of 3 Phase High Leg Delta electrical systems(4W+G circuit). The product follows IEC 61643-11 standards together with UL 1449-4th type 4-1 specific modules in its design.

Type

BT PUM 4WD 240 RM/4P
Art.-No.

815083
Features

1. Combined module SPD for 3 Phase High Leg Delta electrical systems(4W+G circuit). 2. Max. Discharge current (Imax) up to 50kA (8/20μs). 3. Short-circuit current rating (SCCR) 200kA. 4. Double thermal disconnector device, providing more reliable protection. 5. Green window will change when fault and also provide remote alarm control at the same time.

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240V Surge Protection for Home Appliances

240V Surge Suppression Device for Power Systems

ISCCR: 200kA

System Type:
3 Phase High Leg Delta Electrical Systems(4W+G circuit)

Protection Elements:
High Energy MOV

Surge Ratings:
In=20kA(8/20μs)

High Surge Currents:
Imax=50kA(8/20μs)

Surge Arrestors for 240V four-pole electrical networks protects against powerful lightning strikes and surges. The device operates fast with built-in thermal protection along with real-time LED display capability. This device applies to industrial, commercial, and power management applications to deliver a combination of durability and reliability. Surge protection installation is super easy and fast.

Surge Arrestors - BT PUM 4WD 240 RM/4P

The BT PUM 4WD 240 RM/4P operates as a high-efficiency surge arrestor that safeguards four-pole electric systems from lightning-based and power disturbance and switching operation transient overvoltage events. The protective device delivers effective complete protection that industrial facilities together with commercial institutions and infrastructure sites need.

Key Features:

Four-Pole Protection: Ensures full protection for four-pole networks, maintaining balanced and stable performance.
Ultra-Fast Response: Reacts to transient overvoltages within microscopic timespans to prevent harm to connected equipment.
Thermal Safety Mechanism: Built-in thermal disconnect capability provides protection during extreme surge conditions.
Real-Time Monitoring: LED status indicators offer maintenance-friendly alerts regarding operational performance and system health.
Durable Construction: Designed to deliver reliable long-term performance, even in challenging environments.

Technical Specifications:

Rated Voltage (Ue): 240V AC (four-pole)
Maximum Continuous Operating Voltage (Uc): 275V AC
Nominal Discharge Current (In): 30kA
Maximum Discharge Current (Imax): 60kA
Protection Level (Up): ≤1.5kV
Response Time (tA): <20ns
Operating Temperature Range: -40°C to +80°C
Installation Method: DIN rail mounting

Applications:

Industrial Systems: Shields four-pole equipment, transformers, and distribution systems from damaging electrical surges.
Commercial Infrastructure: Protects office spaces, hardware installations, and shopping centers from electrical safety hazards.
Power Sector: Ideal for power generation and distribution platforms requiring robust protective measures.
Critical Systems: Safeguards sensitive equipment and communication infrastructure from transient overvoltage damage.

Technical Data

Product Showcase

Mounting

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Type	BT PUM 4WD 240 RM/4P	BT PUM 4WD 480 RM/4P
According to UL 1449-4th; IEC 61643-11 ; EN 61643-11	Class I / Type 1
System mode	For 3 Phase High Leg Delta electrical systems(3W+G circuit)
Nominal system AC voltage (50/60Hz) [U_N]	120V/240V Delta	240V/480V Delta
Max. continuous operating AC voltage [M_COV](L-N)/(L-G)/(N-G)/(L-L)/(H-N)/(H-G)/(L-H)	230V/410V/180V/460V/275V/455V/505V	385V /565V/180V/ 770V/510V/690V/895V
Nominal discharge current (8/20µs) [I_n]	20kA	20kA
Max. discharge current (8/20μs) [Imax]	50kA	50kA
Lighting impulse current (10/350µs)[I_imp]	8kA	—
Voltage protection rating [VPR]](L-N)/(L-G)/(N-G)/(L-L)/(H-N)/(H-G)/(L-H)	0.7kVpk /1.2kVpk/0.6kVpk/1.5kVpk/0.8kVpk/1.5kVpk /1.5kVpk	1.2kVpk/1.8kVpk/0.6kVpk/2.5kVpk/1.5kVpk/2.0kVpk/2.5kVpk
Short circuit current rating [I_SCCR]	200kA
Max. back up fuse [F]	125A gL/gG
Operating state / Failure indication	Green / Red
Operating temperature range [Tu]	-40°C…+80°C
Cross-sectional area	2.5mm² ~ 25mm² solid / flexible
Mounting on	35mm DIN rail，EN 60715
Number of remote terminals	1 （or optional）
Degree of Protection	IP 20
Enclosure material	Red (module) & light gray (base) thermoplastic, UL94-V0
Dimension	4mods （72mm wide)
Certification	CE; RoHS;ISO 9001:2015;REACH
Type of remote signaling contact	Switching contact
Switching capacity a.c.	250V/0.5A
Switching capacity d.c.	250V/0.1A, 125V/0.2A, 75V/0.5A
Cross-sectional area for remote signaling contact	Max. 1.5mm² solid/flexible
Ordering Information
Type	BT PUM 4WD 240 RM/4P	BT PUM 4WD 480 RM/4P
Art.-No.	815083	815088
Packing unit	1pc(s)	1pc(s)