CSMS-B40-Shandong Cresin Electric Co., Ltd.

Product

CSMS-B40

Uc:

AC385V/420V/440V

In (8/20 μs):

20kA

Imax(8/20 μs):

40kA

Mode of Protection:

L/N-PE; L-N, N-PE

Reference Standards:

IEC 61643-11

OEM/ODM Acceptable

Additional Function:

Thermal Tripping Protection, Status Indicator, and Remote Signaling

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Technical Parameters

SPD Model	CSMS-B40
Protected mode	L/N-PE	L-N,N-PE	L/N-PE	L-N,N-PE	L/N-PE	L-N,N-PE
Maximum continuous operating voltage Uc (V)	AC385V	L-N:AC385V; N-PE:AC260V	AC420V	L-N:AC420V; N-PE:AC260V	AC440V	L-N:AC440V; N-PE:AC260V
Nominal discharge current In（8/20µs）	20kA		20kA		20kA
Maximum discharge current Imax（8/20µs）	40kA		40kA		40kA
Voltage protection level Up	≤1.8kV	L-N:≤1.8kV; N-PE:≤1.5kV	≤1.9kV	L-N:≤1.9kV; N-PE:≤1.5kV	≤2.2kV	L-N:≤2.2kV; N-PE:≤1.5kV
Response time	≤25ns	L-N:≤25ns; N-PE:≤100ns	≤25ns	L-N:≤25ns; N-PE:≤100ns	≤25ns	L-N:≤25ns; N-PE:≤100ns
Leakage current	≤15μA	L-N:≤15μA N-PE:0μA	≤15μA	L-N:≤15μA N-PE:0μA	≤15μA	L-N:≤15μA N-PE:0μA
Follow current interrupting rating Ifi	-	100Arms	-	100Arms	-	100Arms
Sectional area of Wire	6-35mm²
Maximum backup fuse	125A gl/gG
Connection type	Terminal wiring (torque: 2.5Nm)
Remote signal contact point	Optional（Alarm contact strength AC:250V/0.5A,125V/2A; DC:30V/2A）（torque：0.25Nm）（Sectional area of Wire：0.5-1.5mm²）
485 Communication	Optional
Dimensions	18mm/P		18mm/P		18mm/P
Number of Poles	1P、2P、3P、4P	1P+N、3P+N	1P、2P、3P、4P	1P+N、3P+N	1P、2P、3P、4P	1P+N、3P+N
Case material	Flame retardant plastic
Mounting	DIN rail 35 mm
Reference Standards	IEC61643-11；GB/T18802.11
Ambient air temperature for operation	-40℃~+80℃
Ambient air temperature for storage	-40℃~+80℃
Relative humidity	5~95%（No condensation）
Degree of protection of enclosure (IP code)	IP20
Operating altitude	≤3000m
Atmosphere pressure	70kPa~106kPa
Warranty period	3 years

SPD Schematic

Wiring Diagram

Dimensions (mm)

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Email:evagu@cresinspd.com

WhatsApp: +8615588967281

Tel: +8615588967281

Address: No. 978 Tianchen Road, High-tech Zone, Jinan, Shandong,China

Email：evagu@cresinspd.com

WhatsApp：8615588967281

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The product range includes production technologies for smart capacitors, digital display meters, surge protectors, dedicated backup protection devices for surge protectors, self-resetting over/under-voltage protectors, control and protection switches, and automatic transfer switches for dual power supplies.

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