01
Single-Phase & Control Transformers
BK / JBK / BKC / JMB Single-Phase Transformer Manual
- Model
- BK / JBK / BKC / JMB
Transformers
JBK3 Control Transformer
Series / Model · JBK3
Product overviewJBK control transformers supply control power for machine tools, mechanical equipment, local lighting and indication circuits at AC 50–60 Hz and up to 1000 V.
01 / 02
JBK3 Control Transformer unified product presentation
CORE FEATURES
Core features
Single-phase transformer for control and lighting circuits
Class B insulation and 90°C temperature rise stated in the manual
Rated capacity and voltage combination are confirmed against the ordered model
TECHNICAL DATA
Technical parameters
Rated capacity (manual table)40–2500 VA
Applicable circuitAC 50–60 Hz, up to 1000 V
Insulation / temperature riseClass B / 90°C
Dielectric withstand2500 V for 1 minute
Reference standardJB/T 5555
APPLICATIONS
Applications
01
Machine-tool and equipment control circuits
02
Local lighting and signal indication circuits
TECHNICAL INFORMATION / DIMENSIONS
Technical references and dimensions
Drawings and data apply only to the exact model shown, not other specifications.
TECHNICAL DOCUMENTS
Technical Documents
Manuals, technical drawings, BIM files and other resources are published once approved.
RELATED PRODUCTS
Related products
01Transformers
GBK
GBK Control Transformer
GBK is the series designation used for BK control transformers manufactured by GBL. Select the exact model, capacity, voltage and winding configuration to suit the application.
View product details
02Transformers
BKC
BKC Transformer
Product dimensions, mounting dimensions and weight data for BKC transformers cover BKC-25VA through BKC-300VA. Contact sales to confirm other specifications.
View product details
03Transformers
QZB
QZB Autotransformer
Dimensional and weight data for QZB three-phase autotransformers covers the listed QZB-22KW to QZB-400KW models. Confirm capacity units and selection against the exact model.
View product details