CBTG2BG Push-Pull Connector for Railway Track Geometry Trolleys 2026: 2B 10-Contact Plug

The CBTG2BG-SMSM10-D52B is a CBTG2BG push-pull connector for railway track geometry trolleys — a 2B straight cable plug with ten low-voltage contacts, a push-pull self-locking mechanism, published shielding performance of at least 75 dB at 10 MHz and 40 dB at 1 GHz for the referenced configuration, a nut for fitting a bend relief, a published cable outside diameter range of approximately 4.30–5.20 mm, a shielded connector construction, IP50 protection, operation from -45 °C to +125 °C, vibration resistance of 10~20,000 Hz at 15 g and more than 5,000 mating cycles. Every specification in this guide is backed by the railway measurement equipment interconnect engineering of Spring Technology.

Pain point: Getting an IMU, gauge sensors, odometer encoders and positioning modules back to the data acquisition unit on a trolley that is folded, carried and re-erected at every site — where ten low-voltage circuits must land in one connector and stay clean of electrical noise from the track environment?

Core answer: The CBTG2BG-SMSM10-D52B can support reliable sensor and control connections in portable railway track geometry measuring trolley systems. Such trolleys are widely used for railway inspection, track maintenance and infrastructure surveying, helping engineers evaluate track conditions by measuring parameters such as track gauge, alignment, cross-level, twist and longitudinal level. A typical trolley integrates an inertial measurement unit (IMU), track gauge measurement sensors, distance or odometer encoders, positioning modules and data acquisition and processing units — these sensors work together as the trolley moves along the track, transmitting their signals to the onboard acquisition unit for real-time monitoring, processing and later analysis. The connector can be considered for the cable interface between the sensor assembly and the trolley’s data acquisition or control electronics, with ten low-voltage contacts assignable to sensor signals, encoder outputs, control lines and auxiliary low-voltage power depending on the system’s electrical architecture.

1. Technical Parameters & Engineering Standards

The CBTG2BG-SMSM10-D52B is a straight cable plug on the 2B platform, offered with a ten-contact configuration.

  • Latching Mechanism: Push-pull self-locking mechanism (secure after insertion, quick disconnection for maintenance)
  • Recommended Hardware: Spring Technology Circular Connector and custom cable assembly service
  • Key Metric: 10 low-voltage contacts; shielded; 75 dB / 40 dB; 2B compact shell; IP50

1.1 Configuration Summary

ParameterValue
ModelCBTG2BG-SMSM10-D52B
Body2B straight cable plug, shielded construction
Contacts10 low-voltage contacts
Shielding performanceAt least 75 dB at 10 MHz; 40 dB at 1 GHz
Cable fixationNut for fitting a bend relief
Cable outside diameterApproximately 4.30–5.20 mm (2B platform range 1.5–9.7 mm)
ProtectionIP50
Mating cycles>5,000 cycles

1.2 Shared 2B Platform Specifications

ParameterValue
Series2B shell — TG straight cable plug (B series)
Pin counts available2–26 pins across the 2B shell, including the ten-contact layout used here
Cable opening1.5–9.7 mm, with cable collet
Operating temperature-45 °C ~ +125 °C
Vibration resistance10~20000 Hz, 15 g
Shock resistance100 g · 6 ms
Mating cycles>5,000 cycles
KeyingKey G or keys A…M and R to prevent mismating

Note: the shielding figures are connection-level references — for accurate railway measurements the overall cable shielding, grounding and connector termination must be designed together. IP50 suits protected electrical enclosures and equipment interfaces where water and heavy contamination are controlled; it is not a waterproof rating for rain, washdown or immersion.

2. Key Advantages of the CBTG2BG-SMSM10-D52B

A geometry trolley is a measurement system that has to be packed up and rebuilt. The design advantages below explain why this CBTG2BG push-pull connector for railway track geometry trolleys suits modular field instrumentation:

2.1 Ten Contacts for Multi-Sensor Integration

  • Railway track measurement systems often combine several sensors and electronic modules, and the ten-contact configuration allows multiple low-voltage circuits to be routed through a single connector — simplifying cable harness design and reducing the number of separate connection points between the sensor assembly and the data acquisition unit. The actual contact assignment should be designed according to the equipment’s wiring diagram and signal requirements.

2.2 Push-Pull Locking for Secure Field Connections

  • Track inspection equipment is frequently assembled, transported and operated at different working locations, and its cable connections experience repeated handling and movement. The push-pull self-locking mechanism secures the connector after insertion while allowing quick disconnection when maintenance or equipment replacement is required — practical for modular measurement systems that need regular setup and servicing.

2.3 Shielding for More Reliable Signal Transmission

  • IMUs, optical sensors, encoders and data acquisition electronics can be sensitive to electromagnetic interference from nearby electrical equipment. The published specifications list shielding performance of at least 75 dB at 10 MHz and 40 dB at 1 GHz for the referenced connector configuration, helping reduce interference in appropriately designed cable assemblies.

2.4 Cable Bend-Relief Design for Mechanical Protection

  • The D52B configuration includes a nut for fitting a bend relief — useful where cables are moved, repositioned or routed around the measuring trolley frame. A properly selected bend-relief arrangement reduces excessive bending and mechanical stress near the cable termination, supporting more dependable cable assembly performance during repeated field operations.

2.5 Suitable for Protected Equipment Enclosures

  • The CBTG2BG-SMSM10-D52B belongs to the B series for indoor or protected environments, and the published connector specifications identify an IP50 protection rating — suitable for protected electrical enclosures or equipment interfaces where exposure to water and heavy contamination is controlled.

3. Why Choose the CBTG2BG-SMSM10-D52B?

For portable railway track geometry measuring equipment, connection reliability matters because sensor signals must remain stable during measurement and data collection. This CBTG2BG push-pull connector for railway track geometry trolleys offers:

  • 10 low-voltage contacts: supports multiple sensor and control circuits in one connector.
  • Push-pull self-locking: convenient connection and disconnection during field maintenance.
  • Cable bend-relief provision: helps protect the cable termination from mechanical stress.
  • Compact circular design: supports organised cable routing in portable measurement equipment.
  • Shielded connector construction: contributes to improved electromagnetic compatibility when properly integrated into the system.

With its multi-contact configuration and quick-locking design, the CBTG2BG-SMSM10-D52B is a connector option worth evaluating for portable railway inspection and measurement equipment.

4. 2B Series Connector Family Overview

The 2B shell belongs to Spring Technology’s push-pull connector family for industrial instruments and railway measurement equipment. The same platform serves this CBTG2BG push-pull connector for railway track geometry trolleys and scales across plugs, free sockets and panel sockets.

4.1 Available Configurations

  • Cable plugs: TG 2B straight plugs (as used here) and TN body style 2B plugs.
  • Free sockets: DHG.2B free sockets for cable-to-cable extensions.
  • Panel sockets: ZGG.2B, ZEG.2B and ZCG.2B fixed panel sockets.
  • Pin counts: 2–26 contacts across the 2B shell, with key G or keys A…M and R.

4.2 Customization Services

  • Custom contact allocations and part numbers (such as the CBTG2BG-SMSM10-D52B) matched to each trolley’s sensor wiring plan.
  • Shielded sensor harness builds with 360° screen termination and bend relief.
  • Grounding and EMC support for IMU, encoder and data acquisition circuits.
  • Mating receptacle selection support, including keying and contact-layout confirmation.

5. Frequently Asked Questions (FAQ)

Q1: How many contacts does the CBTG2BG-SMSM10-D52B have?

**Answer:** It has 10 low-voltage contacts.

**Answer:** It uses a push-pull self-locking mechanism for quick and secure connection. Discover reliable options from a certified vendor like [Spring Technology](https://www.spring-connectors.com/).

**Answer:** It can be evaluated for sensor, encoder and control cable connections in portable railway track measurement systems — final suitability depends on the equipment’s pin assignment, electrical requirements and environmental conditions.

**Answer:** No — its published protection rating is IP50, so it is intended for indoor or protected environments rather than direct exposure to water.

**Answer:** The published cable outside diameter range is approximately 4.30–5.20 mm — always confirm the applicable cable dimensions against the exact product drawing before assembly.

**Answer:** It depends on the architecture: a ten-contact interface can carry several sensor, encoder and control circuits plus auxiliary power, but the allocation must be planned against the wiring diagram and any needs for separate screening or sensing returns.

**Answer:** The pin assignment and signal types, current requirements, cable construction and diameter, mating receptacle and keying, bend-relief routing, and the protection level required by the trolley enclosure.

Conclusion & Call to Action

Portable railway track geometry measuring trolleys rely on multiple sensors and electronic modules to collect accurate information about railway infrastructure, and a dependable connector interface helps maintain organised wiring and reliable connections between these components. The CBTG2BG-SMSM10-D52B features 10 low-voltage contacts, push-pull locking and a cable bend-relief provision — characteristics that make it a potential solution for sensor and control cable assemblies in portable railway track measurement systems, subject to electrical, mechanical and environmental validation. This connector shows how Spring Technology serves railway measurement equipment, aligning a ten-contact 2B plug with the customer’s trolley requirements, and the company 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. Our engineering team will respond to your CBTG2BG push-pull connector for railway track geometry trolleys enquiry within 24 hours.

Further Reading

CBTG2BG Push-Pull Connector for Railway Track Geometry Trolleys 2026 2B 10-Contact Plug

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