TE Connectivity B20M-32 1SNA631001R2500 is a 32-channel single-wire ENTRELEC Interfast connecting interface with pluggable and screw-clamp connections for organised industrial automation and PLC wiring.
Why Choose the TE Connectivity B20M-32 1SNA631001R2500 Connecting Interface?
The TE Connectivity B20M-32 1SNA631001R2500 is a compact 32-channel connecting interface module from the ENTRELEC Interfast range, designed to simplify the connection between field wiring and automation equipment. It combines a pluggable interface with screw-clamp field connections, helping reduce panel wiring time while providing an organised and serviceable connection point.
The B20M-32 is configured as a single-wire 32-channel Interfast MS interface, making it suitable for high-density signal distribution in PLC, control and automation systems. Its modular construction helps installers replace large bundles of individually wired connections with a structured interface assembly, improving accessibility during installation and maintenance.
Designed for DIN-rail installation, the module can be mounted on G32, TH35-7.5 and TH35-15 rails. With overall dimensions of approximately 74.5 × 112 × 52 mm and a net weight of around 275 g, it provides a practical high-density connectivity solution for industrial control cabinets and machinery.
Key Advantages
High-density 32-channel connecting interface for industrial automation systems.
Single-wire Interfast MS configuration for organised field connectivity.
Combination of pluggable and screw-clamp connections simplifies installation and servicing.
Compatible with common G32 and 35 mm DIN rails.
Helps reduce point-to-point wiring and improve control-panel organisation.
Compact format supports efficient use of cabinet space.
Key Features
TE Connectivity ENTRELEC Interfast interface module.
B20M-32 / B2OM-32 model designation.
32-channel configuration.
Single-wire connection architecture.
Pluggable to screw-clamp connection technology.
10 mm wire stripping length.
Recommended screwdriver width of 3.5 mm.
Suitable for G32, TH35-7.5 and TH35-15 DIN rails.
Pollution degree 2.
Efficient Interface Connectivity for Automation Panels
Interface modules such as the B20M-32 provide an organised transition between multi-channel automation equipment and individual field wiring. By grouping multiple signals into a single modular interface, they can reduce wiring complexity, simplify fault finding and make installation and maintenance more efficient.
The ENTRELEC Interfast system is designed for industrial control applications requiring compact, structured connectivity between PLCs, sensors, actuators and other field devices. The B20M-32 supports 32 single-wire channels in one DIN-rail-mounted module, making it particularly useful where high connection density and straightforward servicing are required.
Typical Applications
PLC input and output interface wiring.
Industrial automation control panels.
Machine-building electrical systems.
Process-control installations.
Sensor and actuator signal distribution.
OEM control cabinets and modular automation systems.
Technical Specifications
Manufacturer
TE Connectivity
Brand family
ENTRELEC
Series
Interfast
Model
B20M-32 / B2OM-32
Part number
1SNA631001R2500
Product type
Connecting interface module
Channel count
32
Configuration
Single wire
Connection type
Pluggable / screw clamp
Wire stripping length
10 mm
Recommended screwdriver
3.5 mm
Pollution degree
2
DIN rail mounting
G32, TH35-7.5 and TH35-15
Height
74.5 mm
Width
112 mm
Depth
52 mm
Net weight
approx. 275 g
Pack quantity
1
EAN
3472596310011
Frequently Asked Questions
What is the TE Connectivity B20M-32 1SNA631001R2500 used for?
It is a 32-channel connecting interface module used to organise and simplify connections between automation equipment and individual field wiring in industrial control systems.
How many channels does the B20M-32 provide?
The B20M-32 provides 32 channels in a single-wire Interfast MS configuration.
What connection technology does the 1SNA631001R2500 use?
The module combines a pluggable interface with screw-clamp field connections.
Which DIN rails can the B20M-32 be mounted on?
It is suitable for mounting on G32, TH35-7.5 and TH35-15 DIN rails.
What are the dimensions of the B20M-32?
The module measures approximately 74.5 × 112 × 52 mm in height, width and depth.
Trusted Interface Connectivity for Industrial Automation
TE Connectivity ENTRELEC Interfast interface modules provide compact, structured and serviceable connectivity for PLC systems, machine controls and industrial automation panels.
Manufacturer
TE Connectivity
Brand family
ENTRELEC
Series
Interfast
Model
B20M-32 / B2OM-32
Part number
1SNA631001R2500
Product type
Connecting interface module
Channel count
32
Configuration
Single wire
Connection type
Pluggable / screw clamp
Wire stripping length
10 mm
Recommended screwdriver
3.5 mm
Pollution degree
2
DIN rail mounting
G32, TH35-7.5 and TH35-15
Height
74.5 mm
Width
112 mm
Depth
52 mm
Net weight
approx. 275 g
Pack quantity
1
EAN
3472596310011
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...