TE Connectivity M16/12 1SNA115129R1400 is a grey 16 mm² ENTRELEC SNA screw-clamp feed-through terminal block rated at 76 A and 1000 V IEC for industrial power and signal wiring.
Why Choose the TE Connectivity M16/12 Grey Terminal Block 1SNA115129R1400?
The TE Connectivity M16/12 1SNA115129R1400 is a robust 16 mm² screw-clamp feed-through terminal block from the ENTRELEC SNA range, designed for reliable power and signal connections in industrial control panels, machinery and electrical distribution equipment. Its single-level, two-position configuration provides a straightforward connection between incoming and outgoing conductors while maintaining an organised DIN rail installation.
The M16/12 uses proven screw-terminal connection technology to provide secure conductor clamping in demanding industrial environments. It supports flexible conductors from 2.5–16 mm² and rigid stranded conductors up to 25 mm², making it suitable for comparatively high-current wiring while retaining the modular convenience of the ENTRELEC SNA terminal block system.
With an IEC voltage rating of 1000 V AC and an IEC current rating of 76 A, the M16/12 is well suited to industrial power distribution and control applications. Its 12 mm width, grey Polyamide 6.6 housing and compatibility with G32, TH35-7.5 and TH35-15 DIN rails provide a durable and versatile solution for professional panel building.
Key Advantages
Heavy-duty 16 mm² feed-through terminal block for industrial power and signal wiring.
76 A IEC current rating supports demanding electrical applications.
1000 V AC IEC voltage rating for industrial control and distribution systems.
Proven screw-clamp termination provides secure and serviceable conductor connections.
Accommodates flexible conductors up to 16 mm² and rigid stranded conductors up to 25 mm².
Compatible with multiple standard DIN rail formats for flexible panel installation.
Key Features
TE Connectivity ENTRELEC SNA screw-clamp terminal block.
Single-level feed-through configuration.
2 positions and 1 circuit.
16 mm² nominal wire size.
76 A IEC rated current.
1000 V IEC rated voltage.
8 kV IEC impulse withstand voltage.
Grey Polyamide 6.6 insulating housing.
UL 94 V-0 flammability rating.
IP20 protection rating.
Reliable Power and Signal Connections for Industrial Panels
Feed-through terminal blocks provide a secure and organised method of joining incoming and outgoing conductors within an electrical enclosure. The M16/12 combines a high current capacity with screw-clamp technology, making it suitable for applications where dependable conductor retention and straightforward inspection or maintenance are important.
As part of the TE Connectivity ENTRELEC SNA system, the M16/12 supports modular DIN rail panel construction and can be used for both power and signal circuits. Its broad conductor capacity, multiple DIN rail mounting options and high electrical ratings make it a versatile choice for industrial control, distribution and machine-building installations.
Typical Applications
Industrial electrical control panels.
Power distribution and switchgear assemblies.
Machine building and OEM equipment.
Factory automation systems.
Motor control and industrial power circuits.
Power and signal distribution wiring.
Technical Specifications
Manufacturer
TE Connectivity / ENTRELEC
Series
SNA
Model
M16/12
Manufacturer part number
1SNA115129R1400
Product type
Screw-clamp feed-through terminal block
Block function
Feed-through
Number of circuits
1
Number of poles
2
Number of levels
1
Number of positions
2
Connection method
Screw terminal
Wire size
16 mm² / AWG 6
Flexible conductor capacity
2.5–16 mm²
Rigid stranded conductor capacity
2.5–25 mm²
IEC rated current
76 A
UL / CSA rated current
85 A
IEC rated voltage
1000 V
UL / CSA operating voltage
600 V
IEC impulse withstand voltage
8 kV
Short-time withstand current
1920 A for 1 s
Dielectric withstand voltage
2000 V
Tightening torque
1.2 Nm
Wire stripping length
14 mm
Tool size
5.5 mm
Product spacing
12 mm
Housing material
Polyamide 6.6
Colour
Grey
Flammability rating
UL 94 V-0
Protection rating
IP20
DIN rail mounting
G32, TH35-7.5 and TH35-15
Installation temperature
-5 to +40 °C
Operating temperature
-55 to +110 °C
Dimensions (H × W × D)
45.5 × 12 × 40.5 mm
Product weight
26.1 g
Pack quantity
20 pieces
EAN
3472591151299
Frequently Asked Questions
What is the TE Connectivity M16/12 1SNA115129R1400?
The M16/12 is a 16 mm² grey screw-clamp feed-through terminal block from the TE Connectivity ENTRELEC SNA range for industrial power and signal wiring.
What are the electrical ratings of the M16/12 terminal block?
The M16/12 has an IEC rated current of 76 A and an IEC rated voltage of 1000 V, with an 8 kV impulse withstand rating.
What conductor sizes can the 1SNA115129R1400 accept?
It accommodates flexible conductors from 2.5–16 mm² and rigid stranded conductors from 2.5–25 mm².
Which DIN rails are compatible with the M16/12?
The M16/12 can be mounted on G32, TH35-7.5 and TH35-15 DIN rails, providing flexibility for different industrial panel configurations.
What is the protection rating of the M16/12 terminal block?
The TE Connectivity M16/12 has an IP20 protection rating and uses a Polyamide 6.6 housing with a UL 94 V-0 flammability classification.
Trusted Industrial Connectivity from TE Connectivity
TE Connectivity ENTRELEC SNA terminal blocks combine established screw-clamp technology with modular DIN rail mounting to provide dependable power and signal connections for industrial control, automation and electrical distribution systems.
Manufacturer
TE Connectivity / ENTRELEC
Series
SNA
Model
M16/12
Manufacturer part number
1SNA115129R1400
Product type
Screw-clamp feed-through terminal block
Block function
Feed-through
Number of circuits
1
Number of poles
2
Number of levels
1
Number of positions
2
Connection method
Screw terminal
Wire size
16 mm² / AWG 6
Flexible conductor capacity
2.5–16 mm²
Rigid stranded conductor capacity
2.5–25 mm²
IEC rated current
76 A
UL / CSA rated current
85 A
IEC rated voltage
1000 V
UL / CSA operating voltage
600 V
IEC impulse withstand voltage
8 kV
Short-time withstand current
1920 A for 1 s
Dielectric withstand voltage
2000 V
Tightening torque
1.2 Nm
Wire stripping length
14 mm
Tool size
5.5 mm
Product spacing
12 mm
Housing material
Polyamide 6.6
Colour
Grey
Flammability rating
UL 94 V-0
Protection rating
IP20
DIN rail mounting
G32, TH35-7.5 and TH35-15
Installation temperature
-5 to +40 °C
Operating temperature
-55 to +110 °C
Dimensions (H × W × D)
45.5 × 12 × 40.5 mm
Product weight
26.1 g
Pack quantity
20 pieces
EAN
3472591151299
No documents available for this product.
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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...