
B0 Series
13mm pluggable / 1 pair line protection

C0 Series
13mm pluggable / 1 pairs line protection with shielding

S2 Series
6.2mm non-pluggable / 1 pair line protection

S4 Series
7.6mm non-pluggable / 2 pair lines protection

M4A Series
18mm non-pluggable / 2 pairs line protection
SPD for Measuring and Control System
Today’s measuring and control system in industry arena are increasingly sensitive, complex and thus more vulnerable to voltage surges. These sensitive devices and systems are critical to company’s communication and information processing. Therefore, it is necessary to ensure they can are protected from the potentially costly and disruptive events. Prosurge offer various quality SPD to protect sensitive equipment to increase their useful life and maintain the continuity of the flow of your information.

B0 Series
SPD for Measuring and Control System – B0 Series
Prosurge DM B0 data network SPD for double-wire system / RS485 against the damage from surges and spikes caused by lightning and other electric sources, suitable for use in category location B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices.
Features
- Data network SPD in according with UL 497b, IEC 61643-21: 2012
- Pluggable surge protection for DIN mounting
- Limit the transients with gas discharge tubes and transzorb diodes
- 2 wires protection
- Signal transmission is not interrupted when changing module
- Two stage protection circuit
- Suitable to use for RS485 / RS232 protection
Technical Data

C0 Series
SPD for Measuring and Control System – C0 Series
Prosurge DM C0 SPD with plug-in protection module is designed for high-frequency signal transmission system against the damage from surges and spikes caused by lightning and other electrical sources, suitable for use in category B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices.
Features
- Data network SPD in according with UL 497b, IEC 61643-21: 2012
- Pluggable surge protection for DIN mounting
- Limit the transients with gas discharge tubes and transzorb diodes
- One pair with direct or indirect shield earthing protection
- Signal transmission is not interrupted when changing module
- Two stage protection circuit
- Suitable to use for high-frequency bus systems and transission systems
Technical Data

S2 Series
SPD for Measuring and Control System – S2 Series
Prosurge DM S2 SPD applied in protection for 2 single wires of balanced interfaces with measuring and control system, providing coarse and fine protection. They are suitable for use in category B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices.
Features
- Data network SPD in according with UL 497b, IEC 61643-21: 2012
- 35mm DIN-rail mounting
- Limit the transients with gas discharge tubes and transzorb diodes
- Compact size of 6.2mm to save installation space
- Signal transmission is not interrupted when changing module
- Two stage protection circuit
- One pair lines protection
Technical Data

S4 Series
SPD for Measuring and Control System – S4 Series
Prosurge DM S4 SPD provide protection for 4 single lines in the high-frequency bus systems or video transmissions, suitable for use in category B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices.
Features
- Data network SPD in according with UL 497b, IEC 61643-21: 2012
- 35mm DIN-rail mounting
- Limit the transients with gas discharge tubes and transzorb diodes
- Compact size of 7.6mm to save installation space
- Signal transmission is not interrupted when changing module
- Two stage protection circuit
- 4 lines protection
Technical Data

M4A Series
SPD for Measuring and Control System – M4A Series
Prosurge DM M4A SPD is designed for 2 pair lines protection against the damage from surges and spikes caused by lightning or other electrical sources, suitable for use in category B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices.
Features
- Data network SPD in according with UL 497b, IEC 61643-21: 2012
- 35mm DIN-rail mounting
- Limit the transients with gas discharge tubes and transzorb diodes
- Two stage protection circuit
- 2 pair lines protection
- Suitable to use for all types of telephone and data lines, such as RS232, RS485, ADSL, ISDN ect
Technical Data
Email Prosurge and Get Reply in 2 Hours
see how competitive our price is : )
Live chat with us by clicking the chat button on the bottom right corner
Fill the Contact Form and Get Reply in 2 Hours
For North American market, please contact
+1 727 800 6504
For urgent consultation, please contact Matt Wakeham +1 917 297 4065
For other markets, please contact
+86 757 8632 7660
+86 186 765 28175 (Mobile / WhatsApp / Wechat / Skype)
Live chat with us by clicking the chat button on the bottom right corner