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Erich Jaeger alternative
121127
13P/12V Socket (ISO 11446)
Use this article number as the starting point for a quote: ConnectorRoute checks suitable alternatives, fit, availability, MOQ and lead time before proposing a replacement route.
ConnectorRoute is independent and is not affiliated with Erich Jaeger GmbH. Brand and article references are used for identification and cross-reference purposes only.
External article references
Known cross-reference numbers
These supplier, distributor and vehicle-brand references are used for identification. ConnectorRoute validates the technical replacement route before quoting.
Brand / supplier
Reference numbers
Hofmei
2046121127
Littelfuse
421400
System products
Related products in the same connection route
Products often checked together with this reference: matching plugs, sockets, coil cables, adapters and supply cables. Generic installation material is intentionally excluded.
Product context
Product description and application
Erich Jaeger 121127 is 13P/12V Socket (ISO 11446). This socket is the fixed connection point for a 12V electrical system. It is selected together with the matching plug, coil cable or supply cable, because the connector standard and pole count determine whether the complete truck-trailer connection will work reliably. ISO 11446 and 12V should be verified against the vehicle or trailer wiring diagram. The known selection frame is ISO 11446, 12V, 13P and cars.
What does 121127 do?
This page treats 121127 as a real vehicle-electrical component, not just as a search term. In practice the part is selected by connector family, electrical standard, voltage, pole count and the way it is mounted or connected in the vehicle. For a socket, the mating component and cable route are part of the decision.
Technical checks before replacing it
The public product data highlights: Contact termination: screw contact, Protection: IP 54, Housing material: reinforced composite and Housing color: black. These details matter because a replacement can have the right article description while still failing on cable entry, contact termination, sealing, housing material or installation space.
How ConnectorRoute approaches the alternative
ConnectorRoute starts with the Erich Jaeger number, then checks the application: vehicle type, yearly volume, existing mating connector, drawings or photos, required approval level and supply continuity. Only after that does an alternative become a quoteable route instead of a guess.
Products that belong in the same request
For a useful quote, include related system parts where possible: 381089 Bayonet outlet for cable connection, 221019 13P/12V Plug (ISO 11446), 621004 13P/12V Coil (ISO 11446), 311161 Mini short adapter - from vehicle (13P/12V) to trailer (7+6P/12V), 301161 13P/12V Coupler (ISO 11446). That helps prevent solving one article number while leaving the matching plug, socket, coil cable, adapter or supply cable as the next bottleneck.
Structured product facts
- Article number
- 121127
- Product family
- socket
- Category
- socket
- Standard
- ISO 11446
- Voltage
- 12V
- Poles
- 13P
- Industry
- cars
- Related product families
- component
- Contact termination
- screw contact
- Protection
- IP 54
- Packaging
- cardboard box
- Cover color
- black
- Cover material
- versterkt composiet
Questions about this reference
Can Erich Jaeger 121127 be replaced one-to-one?
Sometimes, but it should not be assumed from the article number alone. The connector standard, pole count, voltage, contact type, seal, cable entry and application need to match before ConnectorRoute confirms a replacement.
What should I send with an enquiry?
Send the Erich Jaeger article number, quantities, yearly demand, photos of the installed part, drawings if available, the mating connector and any vehicle or trailer information.
Why does the page mention related products?
Truck and trailer electrics are system-based. A socket, plug, coil cable, adapter and supply cable often need to be checked together to avoid a partial replacement route.
Technical specifications
Technical data
- Contact termination
- screw contact
- Protection
- IP 54
- Packaging
- cardboard box
- Cover color
- black
- Cover material
- versterkt composiet
- Product group
- socket
- Standard
- ISO 11446
- Industry
- cars
- Voltage [in V]
- 12
- Accessories (to be ordered separately)
- Additional sheet for 2 sockets
- Included in delivery
- receptacles, seal, sealing ring
- Included in the scope of delivery
- 13P/12V contact insert (ISO 11446) 3P receptacle housing
- Switch
- micro switch "change over"
- Cover material
- reinforced composite
- Housing color
- black
- Housing material
- reinforced composite
- Contact termination
- screw contact
- No. of poles
- 13
- Protection
- IP 54