CBTG2BG Push-Pull Connector for Hydraulic Torque Wrench Pumps 2026: 2B Series 4-Contact 15 A Plug for Industrial Bolting Control Interfaces

The CBTG2BG-SMSM04-D52B is a CBTG2BG push-pull connector for hydraulic torque wrench pumps — a 2B series four-contact low-voltage circular plug rated up to 15 A with 0.5 mm² (AWG 20) conductor support, solder termination, IP50 protection, cable jacket compatibility of 4.3–5.2 mm, up to 5,000 mating cycles and shielding of at least 75 dB at 10 MHz. Every specification in this guide is backed by the industrial maintenance tool interconnect engineering of Spring Technology.

Pain point: Wiring the control side of a hydraulic bolting pump — where the controller, remote pendant, indicators and sensors all need dependable low-voltage connections on equipment that is moved between work areas and serviced in the field?

Core answer: Spring Technology supplies the CBTG2BG-SMSM04-D52B, a four-contact low-voltage circular plug in the 2B series that can be evaluated for suitable low-voltage power and control interfaces in industrial hydraulic torque wrench pump controllers. These systems provide controlled hydraulic power for tightening and loosening high-strength fasteners in industrial maintenance and assembly, typically integrating an electric motor, hydraulic pump, pressure-control components, operating controls and electrical monitoring circuits — and may also connect to a remote control pendant, status indicators or auxiliary sensors. It should not be assumed suitable for the pump motor’s main power circuit without a separate engineering assessment.

1. Technical Parameters & Engineering Standards

This bolting controller connector is built on the 2B series push-pull platform, a mid-size circular connector family for industrial equipment.

  • Latching Mechanism: Push-pull self-latching mechanism (cable plug connected and released without repeatedly rotating a threaded coupling)
  • Recommended Hardware: Spring Technology Circular Connector
  • Key Metric: 4 low-voltage contacts; up to 15 A; IP50; up to 5,000 mating cycles
ParameterValue
Plug (this order)CBTG2BG-SMSM04-D52B — TG plug, 2B shell, key G, 4 contacts
Contacts4 low-voltage contacts
Rated currentUp to 15 A
Conductor sizeUp to 0.5 mm² (AWG 20)
TerminationSolder termination
Cable diameterJacket approx. 4.3–5.2 mm (2B platform opening 1.5–9.7 mm)
ProtectionIP50
ShieldingMin. 75 dB at 10 MHz, 40 dB at 1 GHz
Mating cyclesUp to 5,000 mating cycles
Shock resistance100 g · 6 ms
Vibration resistance10~20000 Hz, 15 g
Operating temperature-45 °C ~ +125 °C (2B platform)
HousingChrome-plated brass shell with PPS insulator

Note: the 15 A rating covers suitable low-voltage auxiliary and control circuits. The rating alone does not establish suitability for an electric motor supply, hydraulic pump power circuit or other high-load application.

2. Hydraulic Pump Controller Connector Design Highlights

Bolting work moves between sites, and so does the equipment. The design advantages below explain why this CBTG2BG push-pull connector for hydraulic torque wrench pumps suits controller interfaces:

2.1 Four Contacts for Compact Control Connections

  • Four low-voltage contacts in one connector let compatible circuits be combined in a single cable interface — covering remote operating control connections, auxiliary control power, pump status feedback, pressure-control signals, enable and interlock circuits and equipment monitoring interfaces. The final pin assignment must be determined from the controller’s electrical schematic, and safety-related control functions require an appropriately designed and validated safety circuit.

2.2 Up to 15 A Rated Current for Suitable Auxiliary Loads

  • A published 15 A rated current with conductor support up to 0.5 mm² (AWG 20) suits appropriately designed low-voltage auxiliary circuits, subject to contact loading, ambient temperature, conductor specifications and applicable derating requirements. For a hydraulic torque wrench controller the connector may be evaluated for compatible auxiliary power or control circuits — the 15 A rating alone does not establish suitability for a motor supply or hydraulic pump power circuit.

2.3 Push-Pull Locking for Convenient Field Maintenance

  • The push-pull self-latching mechanism lets the cable plug be connected and released without repeatedly rotating a threaded coupling. Hydraulic torque wrench pump systems are frequently moved between work areas and require inspection, cable replacement or control pendant servicing, so a quick-connect interface simplifies these tasks when the mating connector is correctly specified — letting technicians reconnect compatible control equipment more efficiently during maintenance and assembly operations.

2.4 Mechanical Durability for Industrial Service

  • Hydraulic torque tools are used in demanding environments including equipment installation, heavy machinery maintenance and large-scale assembly, where cable connections see repeated handling and movement. Specified for up to 5,000 mating cycles with shock resistance up to 100 g and vibration resistance up to 15 g over 10~20000 Hz, the connector supports applications requiring repeated connection and disconnection. Proper cable routing, strain relief and installation remain essential to prevent mechanical stress on the connector and its soldered terminations.

2.5 Shielding for Reliable Control Interfaces

  • Industrial hydraulic equipment may operate near electric motors, motor drives, welding equipment and other sources of electromagnetic interference. Minimum shielding performance of 75 dB at 10 MHz and 40 dB at 1 GHz supports reliable control-signal connections when used with appropriate cable shielding, grounding and enclosure design. The EMC performance of the complete pump controller depends on the entire electrical system rather than the connector alone.

2.6 Defined Cable Compatibility for Portable Equipment

  • Supporting cable jacket diameters of approximately 4.3–5.2 mm with solder termination, the cable collet and associated components provide a defined interface for compatible cable assemblies. On a portable hydraulic pump controller a suitable cable assembly keeps remote control wiring organised and reduces unnecessary strain on electrical terminations. Engineers should verify the cable’s outside diameter, conductor size, bending radius and required strain-relief accessories before finalising the assembly.

3. Why Choose CBTG2BG-SMSM04-D52B for Hydraulic Torque Wrench Pump Controllers?

The connector offers several features worth considering when designing auxiliary electrical interfaces:

  • Four low-voltage contacts: supports multiple compatible control and auxiliary circuits.
  • 15 A rated current: capacity for suitable electrical loads within specified operating conditions.
  • Push-Pull self-latching: simplifies routine connection and disconnection.
  • Shielded construction: supports EMC-conscious cable design.
  • Defined cable range: accommodates cable jacket diameters of 4.3–5.2 mm.
  • Mating durability: specified for up to 5,000 connection cycles.

Together these features help designers develop compact, serviceable interfaces for industrial hydraulic torque wrench control systems.

4. 2B Series Connector Family Overview

The 2B shell belongs to Spring Technology’s push-pull connector family for industrial, mobile and professional equipment. The same platform serves this pump controller plug and scales across pin counts and cable variants.

4.1 Available Configurations

  • Connectors: 2B plugs (including this order), fixed sockets and receptacle variants.
  • Pin counts: 2–26 contacts across the 2B shell, including the 4-contact layout.
  • Termination: solder termination with cable collet and bend relief options.
  • Cable range: cable openings from 1.5 to 9.7 mm across the 2B platform.

4.2 Customization Services

  • Custom contact allocations and part numbers (such as the CBTG2BG-SMSM04-D52B) matched to each controller’s schematic.
  • Remote pendant and control cable assemblies sized to the equipment.
  • Shielding and EMC verification for control wiring.
  • Pre-wired control, enable and monitoring harnesses.

5. Applications: Industrial Hydraulic Torque Wrench Systems

Bolting crews work where the fasteners are. This CBTG2BG push-pull connector for hydraulic torque wrench pumps serves the control side of those systems.

5.1 Pump Controllers and Remote Control Units

Industrial hydraulic torque wrench pump controllers and hydraulic torque tool remote control units.

5.2 Bolting Control Panels and Monitoring Modules

Industrial bolting system control panels and hydraulic equipment monitoring modules.

5.3 Portable Power Units and Assembly Tools

Portable hydraulic power unit control interfaces, industrial maintenance tool control systems and hydraulic assembly equipment auxiliary circuits.

6. Frequently Asked Questions (FAQ)

Q1: What circuits can the four contacts carry?

**Answer:** Remote operating control connections, auxiliary control power, pump status feedback, pressure-control signals, enable and interlock circuits and equipment monitoring interfaces, with pin assignment from the controller’s schematic.

**Answer:** Not without assessment — the 15 A rating covers suitable low-voltage auxiliary and control circuits; it does not establish suitability for an electric motor supply or hydraulic pump power circuit. Discover reliable options from a certified vendor like [Spring Technology](https://www.spring-connectors.com/).

**Answer:** The self-latching mechanism connects and releases the cable plug without repeatedly rotating a threaded coupling, simplifying inspection, cable replacement and control pendant servicing between work areas.

**Answer:** Cable jackets of approximately 4.3–5.2 mm with solder termination, within a 2B platform opening range of 1.5–9.7 mm, and conductors up to 0.5 mm² (AWG 20).

**Answer:** Up to 5,000 mating cycles with 100 g (6 ms) shock resistance and 15 g vibration resistance over 10~20000 Hz; strain relief and cable routing should prevent mechanical stress on the connector and its soldered terminations.

**Answer:** At least 75 dB at 10 MHz and 40 dB at 1 GHz, supporting reliable control-signal connections alongside appropriate cable shielding, grounding and enclosure design.

**Answer:** Base selection on voltage, current, pin assignment, signal type, cable dimensions, operating environment and the exact mating connector — contact [email protected] to review your design.

Conclusion & Call to Action

This 2B connector delivery shows how Spring Technology serves industrial maintenance equipment — from the four contacts and 15 A rating of the CBTG2BG-SMSM04-D52B to its shielding and defined cable interface, every detail was aligned with the customer’s hydraulic torque wrench pump controller requirements. Spring Technology also provides professional customization services for both push-pull connectors and cable assemblies, offering tailored solutions to meet your specific technical requirements.

For more information about our 2B series connectors or to discuss your requirements, contact us at [email protected] or [email protected], or visit our website.

Building a hydraulic bolting system or torque wrench pump controller? Send us your control-circuit and cable requirements — our engineering team will respond with a tailored CBTG2BG push-pull connector proposal for your hydraulic torque wrench pumps within 24 hours.

Further Reading

CBTG2BG Push-Pull Connector for Hydraulic Torque Wrench Pumps 2026 2B Series 4-Contact 15 A Plug for Industrial Bolting Control Interfaces
CBTG2BG Push-Pull Connector for Hydraulic Torque Wrench Pumps 2026 2B Series 4-Contact 15 A Plug for Industrial Bolting Control Interfaces

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