Surge Protector On Ac Unit -BT PCM20 275 RM/3+N
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Type
BT PCM20 275 RM/3+N
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Art.-No.
810857
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Features
1. Three-phase protection for TT/TN-S system(“3+1"circuit). 2. High discharge capacity, quick response, pluggable. 3. Double thermal disconnection device, providing morereliable protection. 4. Prewired unit, integrated base design. 5. Green window will change when fault and also provideremote alarm control at the same time.




Sub-Distribution Boards
Three Phase, TT/TN-S
High Energy MOV+ High Energy GDT
In=10/20kA(8/20μs)
Imax=20/40kA(8/20μs)
Your air conditioner receives protection through this Surge Protector On Ac Unit that operates as its safety backstop. This surge protector features a 20kA capacity to absorb excessive voltage and protects sensitive areas of your AC unit from damaging surges. AC surge protection device performs excellently during episodes of lightning strikes as well as power disruptions and electrical disturbances. Its mechanisms protect safety while extending the life of your AC system without needing costly maintenance.
Key features
- High Surge Protection: Operates at 275V to mitigate large power spikes.
- 3-Phase + Neutral Protection: Defends both the main system and the neutral line, ensuring full protection for your complete AC setup.
- Tough and Durable: Features an all-weather casing for durability and compactness, making it suitable for both outdoor and indoor use.
- Quick to React: Instantly diverts excessive power during voltage spikes, safeguarding your AC system from harm.
- Safety First: Surge protection status indicator allows you to verify the real-time protection status.

Applications
- Homes: Protects residential air conditioning systems from lightning-related and faulty electrical events.
- Commercial and Industrial: Safeguards air conditioning units in commercial buildings and industrial locations, where electrical equipment faces higher risk of damage.

Specifications:
- Rated Voltage: 275V
- Protection Type: 3-phase + Neutral
- Surge Protection Rating: High surge capacity for reliable protection
- Response Time: Fast activation to prevent damage

Benefits:
- Protects Your Wallet: Surge protection saves you money by preventing costly electrical damage to your AC units, while extending product longevity.
- Lasts Longer: Protects your air conditioner, reducing its workload and leading to fewer operational breakdowns, resulting in a longer life expectancy.
- Keeps Things Running Smoothly: Helps your AC unit operate optimally, ensuring uninterrupted performance.

Conclusion:
Anyone who wants optimal air conditioning system performance must consider the BT PCM20 275 RM/3+N Surge Protector as their central solution. Any residential building or business site using this surge protector receives major value alongside useful protection for industrial equipment. Installation is simple and the surge protector brings you seamless reliability while protecting your AC system effectively.
Technical Data
Type | BT PCM20 150 RM/3+N | BT PCM20 275 RM/3+N | BT PCM20 320 RM/3+N | BT PCM20 385 RM/3+N | BT PCM20 440 RM/3+N |
According to IEC 61643-11/EN 61643-11 | Class II + Class III / Type 2 + Type 3 | ||||
System mode | 3 Phase,TT/TN-S System (“ 3+1 ” circuit) | ||||
Nominal voltage [UN](50/60Hz) | 120V/240V | 230V/400V | 230V/400V | 230V/400V | 230V/400V |
Rated voltage (max. continuous voltage) [Uc] [L-N / N-PE](50/60Hz) | 150V/255V | 275V/255V | 320V/255V | 385V/255V | 440V/255V |
Nominal discharge current (8/20μs) [In] [L-N / N-PE] |
10kA/20kA | 10kA/20kA | 10kA/20kA | 10kA/20kA | 10kA/20kA |
Max. discharge current (8/20μs) [Imax] [L-N / N-PE] |
20kA/40kA | 20kA/40kA | 20kA/40kA | 20kA/40kA | 20kA/40kA |
Voltage protection level at In [Up] [L-N / N-PE] |
≤ 0.7kV/ ≤ 1.5kV | ≤ 1.0kV/ ≤ 1.5kV | ≤ 1.2kV/ ≤ 1.5kV | ≤ 1.5kV/ ≤ 1.5kV | ≤ 1.8kV/≤ 1.5kV |
TOV voltage[L-N] | 180V/5sec | 335V/5sec | 335V/5sec | 335V/5sec | 580V/5sec |
TOV 120min[L-N] | 230V | 440V | 440V | 440V | 765V |
TOV voltage[N-PE] | 1200V/200ms | ||||
Response time [tA] [L-N / N-PE] |
≤ 25ns/≤ 100ns | ||||
Open circuit voltage (1.2/50μs) | 20kV | ||||
Max. back up fuse [F] | 125A gL/gG | ||||
Operating state / Failure indication | Green / Red | ||||
Degree of Protection | IP 20 |
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Number of remote terminals | 1 | ||||
Place of installation | Indoor | ||||
Operating temperature range [Tu] | -40°C…+80°C | ||||
Cross-sectional area | 1.5mm2 ~ 25mm2 solid / 35mm2 flexible | ||||
Mounting on | 35mm DIN rail, EN 60715 | ||||
Enclosure material | Red (module) & light gray (base) thermoplastic, UL94-V0 | ||||
Dimension | 4 mods (72mm) | ||||
Certification | CE; 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 PCM20 150 RM/3+N | BT PCM20 275 RM/3+N | BT PCM20 320 RM/3+N | BT PCM20 1385 RM/3+N | BT PCM20 440 RM/3+N |
Art.-No. | 810856 | 810857 | 810884 | 810858 | 810859 |
Packing unit | 1pc(s) | 1pc(s) | 1pc(s) | 1pc(s) | 1pc(s) |
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