ABB 7TCA085400R0332 OVR SL50/3W Surge SPD - IEC 61643-21
Part Number: 7TCA085400R0332
Quick Summary
ABB 7TCA085400R0332 surge protective device protects 3-wire 50 V systems from transient surges. In busy industrial environments, unexpected lightning or switching surges can cause downtime and expensive equipment damage. The device carries CE/UKCA declarations and RoHS compliance, and aligns with IEC 61643-21 standards for surge protection. Designed as a compact 3-pole SPD, it fits tight automation panels and data-network enclosures while delivering reliable protection. Operators gain predictable voltage protection at nominal 50 V, while the 10 kA discharge capability provides headroom for lightning events. The compact dimensions and screw-clamp wiring simplify installation in tight control cabinets, reducing commissioning time and field wiring errors.
Product Information
Extended Description
7TCA085400R0332 ABB: OVR SL50/3W SLIM LINE DATA SPD FOR 3 WIRE 50V SYSTEMS
Suitable For
To protect systems against transient overvoltages or surges from lightning and electrical switching events
Nominal AC Voltage of the System (Uo)
50 V
Voltage Protection Level ( Up)
68.3 V
Maximum Continuous Operating Voltage (Uc)
56.7 V
Rated Current (In)
750 mA
Discharge Current
I (max, 8 / 20 µs) 10 kA
Rated Frequency (f)
45 MHz
Number of Protected Poles
3
Connection Type
Screw Clamp
Serial Resistance
1 Ω
Wire Stripping Length
9.5 mm
RoHS Information
7TKK001562 RoHS3 EU DofC ABB Furse SPD
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
REACH Declaration
7TKK001563 REACH EU DofC ABB Furse SPD
REACH Information
False - does not contain substances > 0.1 mass percentage
REACH Date
20230117
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
WEEE B2C / B2B
Business To Business
Ambient Air Temperature
Operation -40 ... +80 °C
Product Net Width
106.5 mm
Product Net Height
104.6 mm
Product Net Depth / Length
7 mm
Product Net Weight
0.08 kg
Package Level 1 Units
1 piece
Declaration of Conformity - CE
ABB SPD Data UKCA & CE DoC.pdf
Instructions and Manuals
OVR SL series SPD installation instructions
Data Sheet, Technical Information
ABB OVR SL 3-Wires SPD series data sheet
ETIM 8
EC000943 - Surge protection device for data networks/MCR-technology
ETIM 9
EC000943 - Surge protection device for data networks/MCR-technology
Standards
IEC 61643-21
Feature: 3-pole design for synchronized protection across all conductors. Business Impact: Reduces the risk of differential surge damage and miswiring, improving system reliability in automation panels. Application: Data networks and control cabinets where multi-line protection is required. Feature: Nominal AC voltage of the system Uo = 50 V with Up = 68.3 V and Uc = 56.7 V. Business Impact: Keeps voltage within safe bounds to minimize device stress and lifecycle impact. Application: 50 V control circuits and sensor networks in manufacturing lines. Feature: Imax (8/20µs) = 10 kA and 45 MHz rated frequency. Business Impact: Provides strong surge handling for fast transients and high-frequency disturbances common in industrial environments. Application: Lightning events and switching surges in data networks and automation systems. Feature: In = 750 mA and 3 protected poles. Business Impact: Suitable for low-to-moderate current circuits with reliable three-channel protection, enabling scalable cabinet designs. Application: Small automation modules and sensor hubs. Feature: Screw Clamp connection and 9.5 mm wire stripping length. Business Impact: Simplifies field wiring and reduces installation time, cutting commissioning costs. Application: On-site installation in compact control panels. Feature: RoHS and REACH compliance with WEEE category 5 classification. Business Impact: Regulatory compliance and easier end-of-life disposal, lowering risk of non-conformant shipments. Application: European and global manufacturing facilities with strict environmental requirements.
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FAQs
This device is designed for 50 V nominal systems with three protected poles, making it optimal for 3‑wire automation cabinets and data networks. The screw clamp connection supports secure field wiring, and the compact form factor eases installation in tight control enclosures while maintaining full surge protection performance.
Key ratings include a nominal voltage Uo of 50 V, Up of 68.3 V, Uc of 56.7 V, In of 750 mA, and a discharge capability of 10 kA (8/20 µs). The device operates up to 45 MHz, provides three protected poles, and is suitable for protecting data networks and automation circuits from transient events.
The product carries CE and UKCA declarations of conformity and RoHS compliance, with references to the IEC 61643-21 standard for surge protection devices. These certifications help ensure regulatory alignment, safe disposal, and reduced compliance risk in regulated markets.
Installers should note screw-clamp wiring, a wire stripping length of 9.5 mm, and the device’s compact footprint (106.5 mm width, 104.6 mm height, 7 mm depth). The ambient operating range is -40 to +80 °C, making it suitable for harsh environments typical of industrial cabinets.
By limiting overvoltages and absorbing surges with a 10 kA capacity, the SPD reduces downtime, protects critical sensors and controllers, and extends equipment life. Regulatory compliance (CE/UKCA, RoHS) simplifies audits, while easy installation shortens commissioning—delivering measurable improvements in total cost of ownership for automation networks.