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The DMC range represents Termate’s most robust line of busbar supports, engineered for assemblies demanding the highest short-circuit performance.

Manufactured using compression-moulded glass-reinforced polyester (DMC), these supports achieve Icw ratings up to 100 kA for 1 s and are available for a wide variety of line centres and conductor configurations.

Interchangeable body and insert components provide design flexibility, while optional spacer sets simplify installation.

The DMC range is ideally suited to heavy-duty switchboards and industrial control assemblies where mechanical strength, heat resistance, and long-term reliability are critical.

Need help specifying the right components?

Key Features

  • Icw fault rating: up to 100 kA for 1 s
  • Modular construction: interchangeable body and insert parts
  • Configurations: multiple line centres and conductor options
  • Material: Glass-reinforced polyester (DMC) body, polyamide inserts
  • Voltage rating: Ue / Ui 1000 V AC, 1500 V DC
  • Impulse withstand: 12 kV
  • Continuous conductor temperature: 140 °C (max. 145 °C)
  • Flammability: UL 94 V-0, Glow wire 960 °C

Need a bespoke solution?

Our compression & injection moulding expertise allows us to design & manufacture tailored components to your specification.

Technical Information for DMC Range Busbar Supports

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You will find useful technical information below but, if you have any questions, please contact our technical team for support.

3D Rendering of the
  • Body Material: Glass Reinforced Polyester DMC
  • Insert Material: Glass Reinforced Polyamide 6.6
  • Conductor Temp.: 140 °C†
  • Flammability: UL 94 V-0
  • Glow Wire: 960 °C
  • Equipment Voltage, Ue: 1000 V AC, 1500 V DC
  • Insulation Voltage, Ui: 1000 V AC, 1500 V DC
  • Impulse Voltage, Uimp: 12 kV

† In line with the requirements set out in IEC 61439 the supports are capable of carrying conductors operating at an average of 140 °C (max. 145 °C), the material for the supports having a satisfactory thermal index value established using methods similar to IEC 60216.

Selection

For increased stock flexibility, the following range of supports are available in 2 separate parts, the Body and Insert. These parts are purchased separately and all inserts are interchangeable with all Body supports.

Please review the reference section below for your choice of support. For your ease of design. the associated .STEP file shows the combination of the Inserts and Body.

Reference

Part Number3D ModelBody Part NumberNumber required
per assembly		Insert Part NumberNumber required
per assembly		Conductor Width (mm)Bars per PhasePhase CentresTermate Icw RatingBody Box Qty
31104-131104-1 STEP file311042PM1-10810111080 kA 1 s20
31104-231104-2 STEP file311042PM2-10810211080 kA 1 s20
31104-331104-3 STEP file311042PM3-10810311080 kA 1 s20
31154-131154-1 STEP file311542PM1-10810111580 kA 1 s20
31154-231154-2 STEP file311542PM2-10810211580 kA 1 s20
31154-331154-3 STEP file311542PM3-10810311580 kA 1 s20
31154-D31154-D STEP file311542PMD-108102 - Double
sandwiched
(NO GAP)		11580 kA 1 s20
31154-T31154-T STEP file311542PMT-108103 - Triple
sandwiched
(NO GAP)		11580 kA 1 s20
31304-131304-1 STEP file313042PM1-108101130100 kA 1 s20
31304-231304-2 STEP file313042PM2-108102130100 kA 1 s20
31304-331304-3 STEP file313042PM3-108103130100 kA 1 s20

Dimensions

Part NumberLength (L)Width (W)Height (H)Slot Width (SW)Base to Bar Height (H1)Slot Centres (SC)Fix Centres (FC)Clearance (C)
31104-1470204510.33211044849
31104-2470204510.33211044839
31104-3470204510.33211044829
31154-1582204510.33211556097
31154-2582204510.33211556087
31154-3582204510.33211556077
31154-D582204520.33211556092
31154-T582204530.33211556087
31304-1582204510.33213056075
31304-2582204510.33213056065
31304-3582204510.33213056055

All dimensions are given in mm.

Diagram showing the dimensions for the DMC

3D Rendering of The
  • Material: Glass Reinforced Polyester DMC
  • Conductor Temp.: 140 °C†
  • Flammability: UL 94 V-0
  • Glow Wire: 960 °C

† In line with the requirements set out in IEC 61439 the supports are capable of carrying conductors operating at an average of 140 °C (max. 145 °C), the material for the supports having a satisfactory thermal index value established using methods similar to IEC 60216.

Reference

Part Number3D ModelNumber of PolesConductor Width mmPhase CentresBars Per PoleTermate Icw RatingBox Qty
3470BBS3470BBS STEP file--Blank--20
3582BBS3582BBS STEP file--Blank--20

Dimensions

Part NumberLength (L)Width (W)Height (H)Slot Width (SW)Base to Bar Height (H1)Slot Centres (SC)Fix Centres (FC)Clearance (C)
3470BBS4702045---448-
3582BBS5822045---560-

All dimensions are given in mm.

Diagram showing the dimensions for the DMC blank supports

Photograph of Termate's CP and MXS Spacers for Busbar Support Installation

CP and MX Spacers

  • Material: Polyamide 6
  • Operating Temp.: 140 °C
  • Flammability: UL 94 V-0
  • Glow Wire: 960 °C

Additional Spacers Required Per Busbar Support

Part
Number		Conductor
40 mm		Conductor
50 mm		Conductor
60 mm		Conductor
75 mm		Conductor
80 mm		Conductor
100 mm		Conductor
150 mm
31104-1
31104-2
31104-3		1 × CP151 × CP251 × CP25
2 × MXS5		1 × CP501 × CP50
1 × MXS5		1 × CP50
1 × CP25		2 × CP50
1 × CP25
31154-1
31154-2
31154-3		1 × CP151 × CP251 × CP25
2 × MXS5		1 × CP501 × CP50
1 × MXS5		1 × CP50
1 × CP25		2 × CP50
1 × CP25
31304-1
31304-2
31304-3		1 × CP151 × CP251 × CP25
2 × MXS5		1 × CP501 × CP50
1 × MXS5		1 × CP50
1 × CP25		2 × CP50
1 × CP25

4 Phase 1 Bar

End View

3D Rendering of the end view of typical spacer installations for the DMC Busbar Supports

Isometric Projection

3D Rendering of the isometric projection of typical spacer installations for the DMC Busbar Supports

  • Material: Glass Reinforced Polyester DMC
  • Conductor Temp.: 140 °C†
  • Flammability: UL 94 V-0
  • Glow Wire: 960 °C
  • Equipment Voltage, Ue: 1000 V AC, 1500 V DC (360D)
  • Insulation Voltage, Ui: 1000 V AC, 1500 V DC (360D)
  • Impulse Voltage, Uimp: 12 kV (360D)

† In line with the requirements set out in IEC 61439 the supports are capable of carrying conductors operating at an average of 140 °C (max. 145 °C), the material for the supports having a satisfactory thermal index value established using methods similar to IEC 60216.

Reference

Part NumberNumber of PhasesConductor Width (mm)Phase CentresBars Per PhaseTermate Icw Rating
360D-1946.360231 kA 1 s
360D-2546.360231 kA 1 s

Please note: The 360D-19 & 360D-25 use the same body (360D). The 360D-19 is designed for 19.05 mm and the 360D-25 is designed for 25.4mm conductors.

Dimensions

Part NumberLength (L)Width (W)Height (H)Slot Width (SW)Base to Bar Height (H1)Slot Centres (SC)Fix Centres (FC)Clearance (C)
360D27520556.543.56025319

All dimensions are given in mm.

Diagrams showing the dimensions of the 3 Phase + Neutral DMC Busbar Supports

Termate is committed to the highest standard of customer focus and we have made every effort to maintain the accuracy and completeness of the information provided in this data.

Where improvements to our products affect their installation and usage we endeavour to contact any customers who may be affected.

Warranty as stated in our Terms and Conditions of Trading is void if any modification is made to the warranted product.

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