Rittal SV 9677.950 Current Transformer - IEC 60 044-1
Part Number: 9677950
Manufacturer
Rittal
Part number
9677950
Category
Alt Part Number
SV 9677.950
Quick Summary
SV current transformer SV 9677.950 provides accurate current sensing for NH slimline switch-disconnectors in compact panel layouts. Many installations face tight space and installation depth constraints, complicating integration into existing RiLine Compact setups. It carries Accuracy Class 1 and is tested to IEC 60 044-1, ensuring dependable measurement at 50–60 Hz with safe insulation in H-class materials, supporting reliable power management throughout the panel. By enabling a slim, top-mounted design, the transformer reduces installation footprints and simplifies wiring via a box terminal connection, improving install efficiency and reducing retrofit costs. This makes it a principled choice for engineers seeking robust metering for distribution boards and modular enclosures.
Product Information
Extended Description
9677950 Rittal: SV current transformer 250 A/5 A for NH slimline switch-disconnector size 1-3 / adaptor for RiLine Compact (SV 9677.XXX)
Article number
SV 9677.950
Product description
Compact design without altering the installation depth via mechanical integration into the top-mounting components (185 mm centre-to-centre spacing); this allows space-saving assembly.
Material
Polyamide
To fit Model No.
9677.160
Rated power input
1.5 VA
Type of electrical connection
Box terminal
Insuslation material (class)
H
Primary current
250 A
Secondary current
5 A
Accuracy Class
1
Test specification
IEC 60 044-1
Connection for round conductor
2.5 ‐ 4 mm²
Rated frequency
50 ‐ 60 Hz
Packs of
1 pc(s).
Customs tariff number
85043129
EAN
4028177984455
ETIM 9
EC002048
ECLASS 8.0
27141146
Product description
SV current transformer 250 A/5 A for NH slimline switch-disconnector size 1-3 / adaptor for RiLine Compact (SV 9677.XXX)
Feature compact design and 185 mm center-to-center spacing → Business Impact space-saving assembly and preserved installation depth → Application fits neatly into top-mount components of NH slimline switch-disconnectors and RiLine Compact adaptors. Feature polyamide housing → Business Impact durable, heat-resistant enclosure with long service life in demanding panel environments → Application supports reliable outdoor and indoor panel installations with minimal wear. Feature 250 A primary / 5 A secondary, 1.5 VA burden → Business Impact low signal burden with high-accuracy measurement → Application suitable for metering and protection circuits in distribution panels. Feature box terminal connection for 2.5–4 mm² conductors → Business Impact easy, secure wiring and fast termination → Application streamlines installation and reduces field servicing time. Feature insulation class H → Business Impact higher dielectric strength and safety margins in industrial conditions → Application aligns with rigorous safety standards in power management. Feature compatibility with RiLine Compact and NH slimline size 1-3 adapters → Business Impact reduces integration risk and procurement complexity → Application ideal for retrofit projects and new builds in modular enclosures.
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FAQs
This current transformer is designed for NH slimline switch-disconnectors and RiLine Compact adaptors, with box-terminal wiring for 2.5–4 mm² conductors. It fits top-mounting components at 185 mm center-to-center spacing, preserving installation depth in panel assemblies. Ensure a 50–60 Hz environment and use where Accuracy Class 1 performance is required for metering and protection. Also verify insulation class H for safe operation in industrial panels.
The SV 9677.950 delivers Accuracy Class 1 performance with a primary rating of 250 A and a 5 A secondary, paired with a 1.5 VA burden. It is tested to IEC 60 044-1, providing reliable sensing under typical distribution conditions at 50–60 Hz. This combination reduces measurement error, supporting precise protection and energy metering in demanding environments.
Yes. The SV 9677.950 is designed for integration with NH slimline switch-disconnector units and RiLine Compact adaptors (SV 9677.XXX). Its compact top-mount design and 185 mm center-to-center spacing simplify retrofits and new builds, reducing wiring complexity and enabling seamless panel mounting within RiLine Compact systems.
Key specs include a 250 A primary current, 5 A secondary current, 1.5 VA burden, 50–60 Hz operation, box-terminal connection for 2.5–4 mm² conductors, insulation class H, and material polyamide. It is rated for accurate metering and protection within NH slimline and RiLine Compact assemblies, with an accuracy class of 1 and IEC 60 044-1 compliance.
Downloads include the product page PDF and global safety instructions. Access the 9677950 PDF for installation guidelines and top-mounting references, and consult the Global Safety Instructions for handling and safety notes. These documents support compliant assembly, wiring procedures, and maintenance planning for panel metering projects.