Rittal SV 9666.350 Connection Terminal Block - 5-pole, 400 A, 690 V
Part Number: 9666350
Manufacturer
Rittal
Part number
9666350
Alt Part Number
SV 9666.350
Quick Summary
The Rittal SV 9666.350 Connection Terminal Block connects copper and aluminium conductors in switchgear panels. In crowded enclosures, achieving secure terminals without wire damage or heat buildup is a common challenge. Critical certifications to confirm where applicable include CE marking for electrical safety, SIL for safety integrity in control systems, and IP protection ratings for enclosure exposure. Designed for 400 A at up to 690 V, it accommodates heavy conductor layouts and simplifies panel wiring. It also supports laminated copper bars and round conductors, integrating smoothly with Rittal enclosures and modular infrastructure. For procurement, the robust Duroplastic body, color consistency in RAL 7035, and inclusion of assembly parts streamline stocking, installation, and long-term reliability.
Product Information
Extended Description
9666350 Rittal: SV Connection terminal block (ISV), 400 A, 690 V, 5-pole, round conductor connection, 1x50-240/2x25-120 mm², clamping area BH: 25x21 mm
Article number
SV 9666.350
Product description
For connecting copper and aluminium conductors. For laminated copper bars or solid and stranded conductors with a pressed wire end ferrule.
Material
Duroplastic
Colour
RAL 7035
Supply includes
Assembly parts
Assembly instruction
Contact hazard protection module 9666.020 is additionally required to cover the connection terminal block.
Rated current max.
400 A
Number of poles
5-pole
Connection of round conductors
50 - 240 mm²
Clamping area for laminated copper bars (W x H)
25 x 21 mm
Packs of
1 pc(s).
Weight/pack
5.2 kg
Customs tariff number
39211900
EAN
4028177676336
ETIM 9
EC002525
ECLASS 8.0
27400613
Product description
SV Connection terminal block (ISV), 400 A, 690 V, 5-pole, round conductor connection, 1x50-240/2x25-120 mm², clamping area BH: 25x21 mm
Feature: 5-pole ISV terminal block with a 400 A, 690 V rating. Business Impact: Supports high-current distribution in compact spaces, reducing panel footprint and wiring complexity. Application: Ideal for switchgear, motor control centers, and distribution boards, enabling faster terminations and safer current paths. Feature: Round conductor connection accepts 50-240 mm² and 1x50-240/2x25-120 mm² cables. Business Impact: Maximizes wiring flexibility and minimizes terminal proliferation. Application: Facilitates mixed copper/aluminium conductor layouts in control panels. Feature: Clamping area for laminated copper bars (BH 25x21 mm). Business Impact: Enables low-resistance, robust interconnections for busbar-based power distribution. Application: Critical in power panels and busbar-enabled switchgear.Feature: Material is Duroplastic; colour is RAL 7035; packs include assembly parts. Business Impact: Durable insulation with consistent appearance simplifies stocking and maintenance. Application: Suitable for indoor panel environments with high thermal and chemical exposure resistance. Feature: Assembly hazard protection module 9666.020 is recommended for safe, code-compliant coverage. Business Impact: Improves operator safety and reduces risk of accidental contact during maintenance. Application: Essential in installations requiring enhanced protection in hazardous zones. Feature: Packaging is 1 pc per pack; weight per pack 5.2 kg. Business Impact: Manageable handling and straightforward replacement logistics. Application: Streamlines stocking in service cabinets and service centers.
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FAQs
Install the SV 9666.350 in the designated enclosure space, ensure the conductors are within the 50-240 mm² range (and 1x50-240/2x25-120 mm² for mixed layouts), and secure with the included assembly parts. For enhanced safety, consider adding the hazard protection module 9666.020 to cover the connection terminal block during maintenance.
This terminal block accommodates round conductors from 50 to 240 mm² and supports laminated copper bars up to 25x21 mm. It also accepts mixed connections using 1x50-240/2x25-120 mm² conductors, enabling flexible integration of copper and aluminium conductors in panel builds.
Yes. The clamping area is specified as 25x21 mm for laminated copper bars, enabling solid, low-resistance interconnections within the 5-pole, 400 A, 690 V rated block, which is ideal for busbar-based power distribution in switchgear.
Check for CE conformity and any site-specific approvals (and, where applicable, SIL and IP considerations) to ensure compliance with electrical safety and enclosure protection requirements in your region. Confirm with the supplier whether the specific lot meets the relevant standards for your installation.
The combination of robust Duroplastic insulation, 5-pole high-current capability, and compatibility with assembly parts minimizes downtime during installation and servicing. The option to add hazard protection improves operator safety, while reliable copper/aluminium and laminated copper bar connections reduce contact resistance and rework, delivering measurable efficiency gains.