24V DC AC RS485/RS232 Modbus Rtd/Tc Signal Input PLC Signal Surge Protective Device for DC Power System Lightning Protection DIN Rail Installation

Product Description

S-FLS Series Signal Surge Protectors
 

Lightning protection in the field of process measurement and control, providing signal protection for field devices such as transmitters, thermal resistances, solenoid valves, flow meters, valve positioners, frequency converters and other instruments. And the surge protection of I/O of control system such as AI, AO, DI, DO, PI of PLC.DCS. Widely used in petroleum, chemical, natural gas, environmental protection, new energy and other industries.

Basic Parameters:

Model	S-FLS-2-5.EX	S-FLS-2-24.EX
Nominal voltage Un	5V	24V
DC upper limit continuous working voltage Uc	6V	32V
AC upper limit continuous working voltage Uc	4V	22.5V
Universal nominal current lL	600ma	600ma
Total lightning impulse current limp(10/350 μs), D1	4KA	4KA
Lightning impulse current limp (10/350μs) per line, D1	2KA	2KA
Total nominal discharge current In(8/20 us), C2	10KA	10KA
Protection voltage Up (8/20 us), C2	L-L≤45V/L-PE≤600V	L-L≤60V/L-PE≤600V
Protection voltage Up(1 kV/us), C3	L_L≤15V/L-PE≤600V	L-L≤45V/L-PE≤600V
L-L≤45V/L-PE≤600V	100MHz	10MHz
Series impedance	180	180
Response timeTa	<1ns	<1ns
Intrinsically safe certified circuits	Ex iallC T4/T5/T6 Ga	Ex iaC II T4/T5/T6 Ga
Range of working temperature	-40°C-+80°C	-40°C-+80°C
Installation method	35mm DIN rail	35mm DIN rail
Grounding method	Rail grounding/terminal grounding (optional)	Rail grounding/terminal grounding (optional)
Connection Terminal Wire Specifications	0.2mm^2 ~ 2.5mm^2	0.2mm^2 ~ 2.5mm^2
Shell material	PC	PC
Flame retardant grade (UL94)	V0	V0
Protection level	IP20	IP20
Standard test	IEC 61643-21/GB/T 18802.21	IEC 61643-21/GB/T 18802.21

Selection Guide:

Signal type	SPD model	Nominal voltage Un	Nominal current IL	Total nominal discharge current In (8/20us), C2	Wiring system
0(4)-20mA. 0-10V and other analog signals	S-FLS-2-24.EX	24V	600mA	10KA	2-wiring
	S-FLS-3-24.EX	24V	600mA	15KA	3-wiring
Thermal resistance, thermocouple wait for signal	S-FLS-2-5.EX	5V	600mA	10KA	2-wiring
	S-FLS-3-5.EX	5V	600mA	15KA	3-wiring
Switch quantity (digital quantity) wait for signal	S-FLS-2-24.EX	24V	600mA	10KA	2-wiring
	S-FLS-3-24.EX	24V	600mA	15KA	3-wiring
RS-485, MODBUS PRSFIBUS-DP, CAN and other signals	S-FLS-2-5.EX	5V	600mA	10KA	2-wiring
RS-232	S-FLS-3-24.EX	24V	600mA	15KA	3-wiring
0(4)-20mA. 0~10V and other analog signals	S-FLS-2-24	24V	600mA	10KA	2-wiring
	S-FLS-2-24	24V	600mA	15KA	3-wiring
	S-FLS-2-24G	24V	600mA	10KA	2-wiring
	S-FLS-3-24G	24V	600mA	15KA	3-wiring
Thermocouple, thermal resistance wait for signal	S-FLS-2-5	5V	600mA	10KA	2-wiring
	S-FLS-3-5	5V	600mA	15KA	3-wiring
	S-FLS-2-5G	5V	600mA	10KA	2-wiring
	S-FLS-3-5G	5V	600mA	15KA	3-wiring
Switch quantity (digital quantity) wait for signal	S-FLS-2-24	24V	600mA	10KA	2-wiring
	S-FLS-3-24	24V	600mA	15KA	3-wiring
	S-FLS-2-24G	24V	600mA	10KA	2-wiring
	S-FLS-3-24G	24V	600mA	15KA	3-wiring
RS 485, MODBUS. RPOFIBUS-DP, CAM wait for signal	S-FLS-2-5	5V	600mA	10KA	2-wiring
	S-FLS-2-5G	5V	600mA	10KA	2-wiring
RS-232	S-FLS-3-24	24V	600mA	15KA	3-wiring
	S-FLS-3-24G	24V	600mA	15KA	3-wiring
24V meter power supply	S-FLS-2-24D	24V	10A	10KA	2-wiring

 

Promotions: 

1. All buyers enjoy guaranteed delivery within 3 days.

2. After the buyer uses it, give a good comment. 5% off your next purchase.

3. If the single consumption amount exceeds 1000 US dollars, enjoy priority delivery service.

4. Support customers' private customization services, parameters, appearance, packaging, etc. can be customized according to customer needs.

5. Customers represent our brand products, enjoy price protection and market protection policies, enjoy priority delivery, and private customized services.

After-sales service policy:

1. All buyers enjoy technical services, and professional technicians teach the use of products.

2. During the 2-year warranty period, if the product has quality problems, you can enjoy free maintenance services. If it cannot be repaired, you can replace it with a new one for free.

3. If it is not the quality problem of the product itself, it is due to the customer's use, causing the product to have quality problems, we provide free maintenance services, and the customer needs to bear the round-trip shipping. 

If you have any needs for the product, please contact TOM in time.