Deutsch DTM connectors for compact signal circuits

Select DTM04 and DTM06 housings, size-20 contacts, WM-series wedgelocks, cavity plugs, boots, and pin numbering for sealed low-current harness breakpoints.

Size-20 contacts2 to 12 cavitiesCompact sealed signal connectorSame Deutsch service model

Why Deutsch DTM connectors exist

Deutsch DTM is the smaller sibling to DT. It keeps the same field-serviceable sealed connector architecture, but moves to size-20 contacts and a smaller shell for circuits that do not need DT's size-16 current headroom.

Use DTM where the harness needs a rugged disconnect for sensors, CAN, low-current controls, encoder leads, switch loops, and tight equipment cavities. The connector still needs the complete stack: receptacle, plug, pin contacts, socket contacts, wedgelocks, and sealing plugs for unused positions.

DTM04 housings are receptacles and take pin contacts. DTM06 housings are plugs and take socket contacts. The required secondary locks use WM-series part numbers such as WM-2P, WM-4S, WM-8P, and WM-12S.

Deutsch DTM uses the same serviceable Deutsch stack: matched receptacle and plug housings, crimped contacts, rear wire seals, cavity plugs for unused positions, and a secondary wedgelock that blocks contacts from backing out.

Terminology: DTM04 is the receptacle housing for pin contacts, DTM06 is the plug housing for socket contacts, and P/S in the housing part number indicates the accepted contact side.

Why teams choose DTM

DTM is the compact sealed connector for low-current harness work: smaller than DT, still serviceable, and common enough for sensor-heavy builds.

Compact

Use the Deutsch sealed architecture where a DT shell would waste space.

Field-fixable

Contacts remain removable, so signal circuits can be serviced without cutting the harness apart.

Family-scaled

Use DTM beside DT and DTP when the same machine has signal, mid-current, and power branches.

Where DTM earns its place

Sensor Breakpoints application for Deutsch DTM
Sensor Breakpoints

Compact sealed disconnects for pressure, temperature, proximity, and position sensors.

CAN and Signal Runs application for Deutsch DTM
CAN and Signal Runs

Low-current controls and communications where sealed service access matters more than ampacity.

Tight Equipment Cavities application for Deutsch DTM
Tight Equipment Cavities

A smaller shell than DT when packaging space is the limiting constraint.

Is DTM right, or do you want another Deutsch size?

Same locking system and seals, three contact sizes. Pick by current and wire gauge. They do not intermate with each other.

DTM

Sensors, signal, tight space

Size 20
7.5 A
Wire
18-24 AWG
Positions
2-12

DT

Mid-current: injectors, coils, relays

Size 16
13 A
Wire
20-14 AWG
Positions
2-12

DTP

Power: pumps, fans, motors

Size 12
25 A
Wire
12-16 AWG
Positions
2, 4 standard

For signal-level circuits and tight spaces, DTM drops to size-20 contacts. Step up to DT for size-16 mid-current work, and DTP for pumps, fans, motors, or other higher-current branches.

DTM vs DT vs DTP

Same 4-position receptacle class. Current, contact size, and wire range are the real selection criteria.

DTM

Compact signal circuits

Size 20
7.5 A
Deutsch DTM 4-position receptacle
Wire 18-24 AWG
Contact Size 20
Body Compact

DT

Mid-current harness work

Size 16
13 A
Deutsch DT 4-position receptacle
Wire 20-14 AWG
Contact Size 16
Body Mid-size

DTP

Higher-current power runs

Size 12
25 A
Deutsch DTP 4-position receptacle
Wire 12-16 AWG
Contact Size 12
Body Largest

The DTM limits that matter

Use DTM for sealed size-20 circuits up to 7.5 A. Current depends on the selected contact and wire; the smaller shell is for signal density, not extra ampacity.

Electrical

Current, size 20
Up to 7.5 A
Wire range
18-24 AWG by contact
Loaded shell
Use contact limit
Voltage
250 V
Dielectric
1500 VAC / 1 min

Mechanical

Mating cycles
100
Contact size
Size 20
Wedgelocks
WM series
Positions
2, 3, 4, 6, 8, 12

Environmental

Sealing, mated
IP68 baseline
Temp range
-55 to 125 °C
Resistance
UV, fluids, ozone
Flammability
UL94 V-0

Materials

Housing / wedge
Thermoplastic
Seal
Silicone
Contacts
Copper alloy
Gold option
Available

Reference data comes from manufacturer housing models and Deutsch family catalog data; verify final ratings against the exact selected contact and housing.

Keying and cavity layout

Pick the position count first: 2, 3, 4, 6, 8, or 12 cavities. DTM keeps the Deutsch layout logic but packages it around size-20 contacts.

Use the selected DTM04/DTM06 part and connector-side view when assigning circuits; wire side and mating face are mirrored.

DTM insert arrangements

Common DTM receptacle housings. Position count changes both housing size and cavity layout.

2-Way

DTM04-2P
Deutsch DTM04-2P receptacle housing

3-Way

DTM04-3P
Deutsch DTM04-3P receptacle housing

4-Way

DTM04-4P
Deutsch DTM04-4P receptacle housing

6-Way

DTM04-6P
Deutsch DTM04-6P receptacle housing

8-Way

DTM04-08PA
Deutsch DTM04-08PA receptacle housing

12-Way

DTM04-12PA
Deutsch DTM04-12PA receptacle housing

For cavity numbering and circuit pinout, verify the molded numbers and connector-side view on the exact selected housing.

Keying stops cross-mating

On 8- and 12-way DTM, A through D keying is built into the housing body. On smaller DTM layouts, match the selected housing and WM wedgelock for the exact connector side.

A GrayB BlackC GreenD Brown

DTM connector stack

What completes a DTM connection

A DTM connection is a matched DTM04 receptacle and DTM06 plug, size-20 pin and socket contacts, WM-series wedgelocks, rear wire seals, and cavity plugs for unused positions.

Treat it as the compact signal branch of the Deutsch family. It saves package space, but the selected contact and wire still set the current limit.

Stamped vs solid contacts

Stamped and formed

Wireframe CAD render of a stamped and formed Deutsch size-20 pin contact with carrier-strip tab
Construction
Rolled / open barrel
Wire range
By selected size-20 contact
Best for
High-volume signal circuits
Relative costLower

Solid (machined)

Wireframe CAD render of a solid machined Deutsch size-20 pin contact
Construction
Machined / closed barrel
Wire range
By selected size-20 contact
Best for
Service and vibration margin
Relative costHigher

For quoting, choose the contact construction the BOM calls for. DTM current and wire fit are controlled by the exact size-20 contact, not by the housing alone.

Wire: gauge, type, and seal fit

DTM is a size-20 contact system, so the conductor gauge is only half the decision. The rear seal also has to grip the insulation outside diameter.

Use thin-wall automotive wire when packaging is tight, and verify the selected seal or plug against the actual wire OD before treating the connector as sealed.

Wire OD seal fit

Contact family
Size 20
Wire range
18-24 AWG by contact
Seal check
Match insulation OD
Unused cavities
Use DTM sealing plugs

Final seal choice comes from the exact DTM housing, contact, wire insulation OD, and cavity-plug selection. Gauge alone does not prove the connector will seal.

What drives cost

Typical cost moves with contact construction, cavity count, and series. DTM can be lower-cost per circuit when the current requirement fits size-20 contacts.

Contact
Stamped and formedLower
Solid (machined)Higher
Shell
Fewer cavitiesLower
More cavitiesHigher
Series
DTMSignal
DTMid
DTPPower

Stock and sourcing

We quote common DTM parts against live supplier availability and keep the selected contact, wedgelock, seal, and cavity-plug stack together. Use DTM when the circuit is genuinely signal-level; otherwise step up to DT.

Assembly, and the mistakes to avoid

  • !Do not up-rate the circuit just because the shell is sealed. Size-20 DTM contacts are for low-current work.
  • !Seat every contact before installing the WM wedgelock. If the wedgelock will not seat, a contact is not home.
  • !Plug unused cavities with the correct sealing plug so the connector does not become a leak path.
  • !Do not mix DTM with DT or DTP mates. The families look related but do not intermate.

Common questions

What is Deutsch DTM used for?+

Deutsch DTM is the compact size-20 member of the Deutsch sealed connector family. Use it for sensors, CAN, low-current controls, and signal circuits where DT takes too much space.

How much current can Deutsch DTM carry?+

DTM contacts are commonly treated as up to 7.5 A, but the safe current depends on the exact contact, wire gauge, insulation, temperature, and how the harness is bundled.

Does DTM mate with Deutsch DT or DTP?+

No. DTM, DT, and DTP share the same sealed connector concept but use different shell sizes and contact sizes. DTM does not physically mate with DT or DTP.

What contacts does DTM use?+

DTM uses size-20 contacts. Common catalog pin examples include 0460-202-2031 and 1060-20-0144; matching socket examples include 0462-201-2031 and 1062-20-0144.

What is the difference between DTM04 and DTM06?+

DTM04 is the receptacle housing and accepts pin contacts. DTM06 is the plug housing and accepts socket contacts. Both sides need the matching WM-series wedgelock.

Do unused DTM cavities need plugs?+

Yes. Any unused DTM cavity needs a sealing plug, otherwise the connector has an open leak path and the sealed rating no longer applies.

Build your Deutsch DTM harness

Pick positions, contacts, and wire. See the price as you go, then send it to our floor.

Newsletter

Stay Wired with MiniProto.

Join our community and be the first to know about the latest in wire harness prototyping. Get exclusive insights, tips, and updates delivered straight to your inbox.

Latest Prototyping Trends
Stay ahead in the field with our articles on MiniProto updates, new technologies, design tips, and industry insights.
No Spam, Only Value
We respect your inbox. Receive only the most relevant updates and offers, without the clutter of unwanted emails.