Voltage Surge Protection -BT P C TT1+1 275 RM

Installation of Surge Protector for AC BT P C TT1+1 275 RM(810109) occurs at LPZ 0B-1 or higher elevations to protect low voltage equipment from surge damage. This product functions as SPD Class II (Class C) through 220V/230V Single Phase 1+1 “TN/TT” power supply systems. The product meets specifications in IEC 61643-11:2011 as well as EN 61643-11:2012 and GB 18802.1-2011.

Type

BT P C TT1+1275 RM
Art.-No.

8101109

Inquiry

Download Datasheet

Location of Use:
Sub-Distribution Boards

System Type:
Single Phase, TN/TT

Protection Elements:
High Energy MOV+ High Energy GDT

Surge Ratings:
In=20/40kA(8/20μs)

High Surge Currents:
Imax=40/65kA(8/20μs)

The Voltage Surge Protection - BT P C TT1+1 275 RM serves as an advanced surge protection device that defends electronic equipment from dangerous voltage spikes and surges. The rated 275V model provides dependable safety for sensitive electronics such as computers as well as home appliances and industrial equipment against destructive electrical voltage fluctuations. The multi-phase protection mode of the TT1+1 configuration works efficiently through voltage diversion to the ground line.

Voltage Surge Protection

The rapid changes in electrical voltage known as voltage surge can harm electronics together with the circuits they occupy.

Function

Device Protection: Devices remain protected when exposed to dangerous levels of voltage because this feature functions to defend their performance.
Voltage Regulation: The consistent voltage regulation function helps devices live longer because it protects their operational lifespan.
Stable Operation: Stable device operation remains ensured whenever devices remain connected to this system.

Common Protection Measures

Lightning Rod: The lightning rod functions as a protective device that sends lightning away from structures to stop building voltage damage.
Voltage Surge Suppression: This device protects circuits by suppressing voltage surges, which prevents overloads from occurring.
Uninterruptible Power Supply (UPS): The UPS (Uninterruptible Power Supply) maintains steady power output during unpredictable incidents on the power grid, thus shielding equipment from destructive high voltage events.

Certified Surge Protection with Surge Counter

Technical Data

Type	BT P C TT1+1 150 RM	BT P C TT1+1 275 RM	BT P C TT1+1 320 RM	BT P C TT1+1 385 RM	BT P C TT1+1 440 RM
Art.-No.	810103	810109	810110	810111	810104
According to IEC 61643-11/EN 61643-11	Class II (class 2/C) / Type 2
System mode	Single Phase，TT/TN System (“ 1+1 “circuit)
Nominal voltage [UN](50/60Hz)	120V	230V	230V	230V	400V
Rated voltage (max. continuous voltage) [Uc] [L-N / N-PE](50/60Hz)	150V/255V	275V/255V	320V/255V	385V/255V	440V/255V
TOV voltage[U_T][L-N / N-PE]	175V/5sec，1200V/200ms	335V/5sec，1200V/200ms	335V/5sec，1200V/200ms	335V/5sec，1200V/200ms	580V/5sec，1200V/200ms
TOV 120min[U_T][L-N]	230V	440V	440V	440V	765V
Nominal discharge current (8/20μs) [In] [L-N / N-PE]	20kA/40kA	20kA/40kA	20kA/40kA	20kA/40kA	20kA/40kA
Max. discharge current (8/20μs) [Imax] [L-N / N-PE]	40kA/65kA	40kA/65kA	40kA/65kA	40kA/65kA	40kA/65kA
Lightning impulse current (10/350μs) [Iimp] [N-PE]	20kA	20kA	20kA	20kA	20kA
Voltage protection level at In [Up] [L-N / N-PE]	≤ 0.9kV/ ≤ 1.5kV	≤ 1.25kV/ ≤ 1.5kV	≤ 1.5kV/≤ 1.5kV	≤ 1.8kV/≤ 1.5kV	≤ 2.0kV/≤ 1.5kV
Voltage protection level at 5kA [Up] [L-N ]	≤ 0.75kV	≤ 1.0kV	≤ 1.2kV	≤ 1.35kV	≤ 1.7kV
Short circuit withstand capability at max. back up fuse	50kA_rms	50kA_rms	25kA_rms	25kA_rms	25kA_rms
Response time [tA] [L-N / N-PE]	≤ 25ns/≤ 100ns
Follow current extinguishing capability at Uc[N-PE][I_f]	100A_rms
Max. back up fuse [F]	125A gL/gG
Operating temperature range [Tu]	-40°C…+80°C
Operating state / Failure indication	Green / Red
Number of remote terminals	1
Cross-sectional area	1.5mm² ~ 25mm² solid / 35mm² flexible
Mounting on	35mm DIN rail，EN 60715
Degree of Protection	IP 20
Enclosure material	Purple thermoplastic, UL94-V0
Dimension	2 mods (36mm wide)
Certification	CE; RoHS；REACH
Compliance	IEC 61643-11:2011 ; EN 61643-11:2012; GB 18802.1-2011
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