DC Surge Protection Device -BT P DCM 24 RM

DC Surge Protection Device BT P DCM 24 RM（811004）is for installation at LPZ 0B-1 or higher, protecting low voltage dc power equipment from surge damage. Modular SPD Class II (Class C) uses this device as part of its dc 24V-220V power supply system design. The device follows the standards of IEC 61643-11:2011 together with EN 61643-11:2012 and GB 18802.1-2011.

Type

BT P DCM 24 RM
Art.-No.

811004
Features

1. Pluggable module, easy for installation and maintenance. 2. Surge protection specially designed for use in dc circuits applications. 3. High discharge capacity, quick response. 4. Double thermal disconnector devices, providing more reliable protection. 5. Windows will change red when fault and also provide remote alarm control at the same time.

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24V DC SPD

In=10/20kA(8/20μs)，Imax=20/40kA(8/20μs)

T2, 2 Poles

High Energy MOV

35mm DIN Rail，EN 60715

The DC Surge Protection Device functions as a premium DC surge protection device which safeguards low-voltage DC electricity systems from power surges and lightning strikes. This device protects connected equipment by delivering safe and reliable surge protection services which specifically targets multiple DC applications throughout renewable energy systems as well as industrial automation.

DC Surge Protection Device

A DC Surge Protection Device functions as a dependable system to protect DC power installations against high voltages resulting from both lightning strikes and power surges. The fast-efficient surge protection system operates precisely for both low and high-voltage DC applications to safeguard connected equipment with its safety-focused design.

DC Surge Protector with Overvoltage Protection

Key Features

Rapid Surge Suppression: The device functions as an instant response system against voltage spikes to guard equipment from destruction.
Wide Voltage Range: The surge protector operates with different DC voltage ranges from 12V to 48V to 1000V.
Compact and Modular Design: The device offers simplified integration with DC panels as well as distribution boards which results in compact installation dimensions.
Replaceable Protection Module: The device design features easy maintenance capabilities along with minimal downtime and longer product life duration.
Robust Durability: The construction materials used in manufacturing endure harsh environmental conditions.

DC Surge Protector for Power Electronics

Technical Specifications

Voltage Range: 12V ~ 1000V DC
Surge Current Capacity: Up to 40 kA (8/20 µs waveform)
Response Time: < 25 ns
Protection Mode: Common and differential modes
Installation: DIN rail or screw-mounted
Operating Temperature: -40°C ~ +85°C

Applications

Photovoltaic Solar Systems
Battery Storage Solutions
Telecommunications and Networking Equipment
Industrial Automation Systems
Electric Vehicle Charging Stations

Technical Data

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Type	BT P DCM 24 RM	BT P DCM 48 RM	BT P DCM 110 RM	BT P DCM 220 RM
According to IEC 61643-11; EN 61643-11	Class II / Type 2
Nominal system DC voltage [U_N]	24V	48V	110V	220V
Rated voltage (max. continuous d.c. voltage)[Uc]	56V	85V	180V	320V
Nominal discharge current (8/20µs)(DC± – 0V )[In]	10kA	15kA	20kA	20kA
Nominal discharge current (8/20µs)(0V – PE )[In]	20kA	20kA	20kA	20kA
Nominal discharge current (8/20µs)(DC± – 0V )[Imax]	20kA	30kA	40kA	40kA
Nominal discharge current (8/20µs)(0V – PE )[Imax]	40kA	40kA	40kA	40kA
Voltage protection level at In (DC± – 0V ) [U_p]	≤ 0.3kV	≤ 0.4kV	≤ 1kV	≤ 1.5kV
Voltage protection level at In (0V – PE ) [U_p]	≤ 0.4kV	≤ 0.4kV	≤ 1kV	≤ 1.5kV
Response time(DC± – 0V ) [t_A]	≤ 25ns
Response time(0V – PE ) [t_A]	≤ 100ns
Max. backup fuse	35A gL/gG
Operating temperature range [Tu]	-40°C…+80°C
Operating state / Failure indication	Green / Red
Cross-sectional area	1.5mm²-25mm²solid/ 35mm²flexible
Mounting on	35mm DIN rail, EN 60715
Number of remote terminals	1
Enclosure material	Purle module / light gray base, thermoplastic, UL 94-V0
Dimension	2 mods (36mm wide)
Degree of Protection	IP 20
Warranty period	3 Years
Certification	CE (LVD, EMC); RoHS；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 P DCM 24 RM	BT P DCM 48 RM	BT P DCM 110 RM	BT P DCM 220 RM
Art.-No.	811004	811005	811006	811007
Packing unit	1pc(s)	1pc(s)	1pc(s)	1pc(s)