Kraus & Naimer A11.WAA661.KD1.G251 Cam-Operated Rotary Switch
Basic Information
Brand: Kraus & Naimer (Austria)
Full Model: A11.WAA661.KD1.G251
Material No. MAT#: 70102477
Product Series: A11 (Blue-Line, Size S1)
Product Type: Cam-operated rotary switch with key lock
Production Date: 07/2026
Factory Internal No.: E000196843/500, A000304992/500
Model Code Breakdown
A11: A11 series, conventional thermal current 20 A, standard 64 × 64 mm square front plate
WAA661: Dedicated cam program code, defines the number of positions and contact switching logic. This is a customized function specification and cannot be directly interchanged with PC-type models.
KD1: Standard handle base
G251: Key lock assembly, allows locking the switch in a specified position. Once the key is removed, the switch cannot be turned, providing safety locking.Core Technical Parameters
Conventional thermal current Ith: 20 A
Rated insulation voltage Ui: 690 V
AC-23A motor rating: 7.5 kW
Front plate size: 64 × 64 mm, for control cabinet door cut-out mounting
Contact structure: Silver alloy double-break self-cleaning contacts
Front protection degree: IP42
Standards: IEC 60947-3, CE certifiedProduct Features
Key safety lock (G251): Locks the switch position and prevents unauthorized changes to equipment operating mode, meeting equipment safety requirements.
WAA661 custom cam sequence: Internal contact switching logic is specially customized, mainly used for special equipment mode switching and multi-circuit synchronous control.
Proven cam structure: Clear position indexing, long mechanical life, suitable for frequent operation in industrial environments.
Recessed cabinet mounting: 64 mm square front plate, directly mounted on the control cabinet panel.Main Applications
High-end automation equipment, machine tool safety mode switching
Local / remote control of equipment with key-locking management
Special machinery, customized position selection for complete equipment









