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.
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.
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.
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
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 [UN]
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 ) [Up]
≤ 0.3kV
≤ 0.4kV
≤ 1kV
≤ 1.5kV
Voltage protection level at In (0V – PE ) [Up]
≤ 0.4kV
≤ 0.4kV
≤ 1kV
≤ 1.5kV
Response time(DC± – 0V ) [tA]
≤ 25ns
Response time(0V – PE ) [tA]
≤ 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 -25mm2 solid/ 35mm2 flexible
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)
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3 Years Warranty