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

Surge Arrestors BT PUM 4WD 240 RM/4P(815083) is mainly used in the main distribution system, provide the best protection as they designed to protecting low voltage equipment against indirect surges with ensuring a low protection level (VPR). Application in AC voltage system of 3 Phase High Leg Delta electrical systems(4W+G circuit). Designed according to IEC 61643-11 and UL 1449-4th type 4-1 combined SPD Modules.

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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Download Datasheet

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 - BT PUM 4WD 240 RM/4P

The BT PUM 4WD 240 RM/4P is a high-efficiency surge arrestor designed to protect four-pole electrical systems from transient overvoltage caused by lightning strikes, power disturbances, or switching operations. This device is ideal for applications requiring robust and comprehensive protection in industrial, commercial, and infrastructure environments.

Key Features:

Rated Voltage: 240V
Four-Pole Protection: Offers complete protection for four-pole systems, ensuring balanced and reliable performance.
High Surge Capacity: Effectively manages high-energy surges, protecting critical electrical equipment.
Multi-Stage Protection: Incorporates advanced primary and secondary surge suppression mechanisms.
Ultra-Fast Response: Activates within microseconds to mitigate transient overvoltages.
Thermal Safety Mechanism: Integrated thermal disconnect ensures safe operation under extreme surge conditions.
Real-Time Monitoring: LED indicators display the operational status and health of the device for easy maintenance.
Durable Construction: Built for longevity and reliability in demanding 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: Protects four-pole equipment, transformers, and distribution systems from surge damage.
Commercial Infrastructure: Ensures the safety of office buildings, data centers, and retail complexes.
Power Sector: Suitable for energy generation and distribution systems requiring robust protection.
Critical Systems: Protects sensitive equipment in telecommunications and infrastructure projects.

Certifications and Standards:

Meets international standards IEC 61643-11 and EN 61643-11.
CE and RoHS certified for quality, safety, and environmental compliance.

Package and Accessories:

1 x BT PUM 4WD 240 RM/4P Surge Arrestor
Installation guide

Advantages:

Comprehensive four-pole surge protection for critical systems.
Modular, easy-to-install design for seamless integration into electrical setups.
High durability and reliability ensure long-term performance under challenging conditions.

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)