Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Renfe Class 252: History, Measurement & Standards

The Renfe Class 252 are a series of Bo'Bo' electric locomotives, built by CAF, Meinfesa, Siemens and Krauss-Maffei for Renfe. 15 units were built for the AVE Madrid–Seville high speed line in (standard gauge version), and 60 units constructed for general use to Iberian gauge (1668mm).

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Renfe Class 252 topic overview

The analysis highlights History, Measurement and Standards as prominent areas in the source structure around Renfe Class 252.

Related topics
23
Source areas
2
Connected nodes
25
Extracted relationships
19
Concept neighborhoods
16
Bridge connections
25

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Background, design, construction and history · 14 topics
Overview · 9 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Build date
1991–1996
Builder
Iberian gauge: CAF, Macosa Standard gauge: Siemens and Krauss-Maffei
Current pickup
Pantograph
Electric system/s
Catenary 3 kV DC and 25 kV 50 Hz AC Since 2010: 4 locomotives also 1.5 kV DC
Height
4.3 m (14 ft 1.29 in)
Length
20.38 m (66 ft 10.4 in) over buffers

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Background, design, construction and history

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Renfe Class 252 connects Entity context

The extracted context around Renfe Class 252 shows recurring relationship patterns in the source. For example, Renfe Class 252 → 1991–1996 Another extracted example is Renfe Class 252 → Iberian gauge: CAF, Macosa Standard gauge: Siemens and Krauss-Maffei. Use these groups to spot repeated connection types before inspecting the individual relationships.

Renfe Class 252

Top relations

Build date · 1
Renfe Class 252 → 1991–1996
Builder · 1
Renfe Class 252 → Iberian gauge: CAF, Macosa Standard gauge: Siemens and Krauss-Maffei
Current pickup · 1
Renfe Class 252 → Pantograph
Electric system/s · 1
Renfe Class 252 → Catenary 3 kV DC and 25 kV 50 Hz AC Since 2010: 4 locomotives also 1.5 kV DC
Gauge · 1
Renfe Class 252 → 1,668 mm (.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output…
Height · 1
Renfe Class 252 → 4.3 m (14 ft 1.29 in)
Length · 1
Renfe Class 252 → 20.38 m (66 ft 10.4 in) over buffers
Loco weight · 1
Renfe Class 252 → 90 tonnes (89 long tons; 99 short tons) (dual voltage) 86 tonnes (85 long tons; 95 short tons) single voltage
Maximum speed · 1
Renfe Class 252 → 200 km/h (120 mph) commercial, 220 km/h (140 mph) approved 302 km/h (188 mph) in testing on the LAV Madrid - Sevilla
Performance figures · 1
Renfe Class 252 → Performance figuresMaximum speed200 km/h (120 mph) commercial, 220 km/h (140 mph) approved 302 km/h (188 mph) in testing on the LAV Madrid - SevillaPower output5,600 kW (7,500 hp)

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

locomotives 252 gauge siemens renfe standard built class iberian electric speed caf krauss-maffei high kv 15 madrid 60 also lines

Renfe Class 252 relationships Subject–Predicate–Object triples

TTTA extracted 19 structured relationships around Renfe Class 252. Examples in this analysis include Renfe Class 252 → Build date → 1991–1996 and Renfe Class 252 → Builder → Iberian gauge: CAF, Macosa Standard gauge: Siemens and Krauss-Maffei. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Renfe Class 252Build date1991–19961.00infobox
Renfe Class 252BuilderIberian gauge: CAF, Macosa Standard gauge: Siemens and Krauss-Maffei1.00infobox
Renfe Class 252Current pickupPantograph1.00infobox
Renfe Class 252Electric system/sCatenary 3 kV DC and 25 kV 50 Hz AC Since 2010: 4 locomotives also 1.5 kV DC1.00infobox
Renfe Class 252Gauge1,668 mm (.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output…1.00infobox
Renfe Class 252Height4.3 m (14 ft 1.29 in)1.00infobox
Renfe Class 252Length20.38 m (66 ft 10.4 in) over buffers1.00infobox
Renfe Class 252Loco weight90 tonnes (89 long tons; 99 short tons) (dual voltage) 86 tonnes (85 long tons; 95 short tons) single voltage1.00infobox
Renfe Class 252Maximum speed200 km/h (120 mph) commercial, 220 km/h (140 mph) approved 302 km/h (188 mph) in testing on the LAV Madrid - Sevilla1.00infobox
Renfe Class 252Performance figuresPerformance figuresMaximum speed200 km/h (120 mph) commercial, 220 km/h (140 mph) approved 302 km/h (188 mph) in testing on the LAV Madrid - SevillaPower output5,600 kW (7,500 hp)1.00infobox
Renfe Class 252Power output5,600 kW (7,500 hp)1.00infobox
Renfe Class 252Power typeElectric1.00infobox
Renfe Class 252Safety systemsASFA, LZB1.00infobox
Renfe Class 252SpecificationsSpecificationsGauge1,668 mm (.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:supe…1.00infobox
Renfe Class 252Total producedTotal of 75 60 to Iberian gauge 15 to standard gauge1.00infobox
Renfe Class 252Traction motors4 three phase TB 2824-OGA02 @ 1.438 MW (1,928 hp)1.00infobox
Renfe Class 252Type and originType and originPower typeElectricBuilderIberian gauge: CAF, Macosa Standard gauge: Siemens and Krauss-MaffeiBuild date1991–1996Total producedTotal of 75 60 to Iberian gauge 15 t…1.00infobox
Renfe Class 252Wheelbase3.00 m (118.11 in), bogie centre distance 10.50 m (34 ft 5.4 in)1.00infobox
Renfe Class 252Width3.00 m (9 ft 10.11 in)1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Renfe Class 252 bring nearby vocabulary together. In this analysis, examples include Renfe, Electric and Siemens. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Renfe Class 252
    • Renfe
    • Electric
    • Siemens
    • Build
    • Images
    • Krauss-maffei
    • Locomotives
    • Series
    • Ac
    • Caf
    • High
    • Kv
  • renfe class 252
    • Renfe
    • Electric
    • Siemens
    • Build
    • Design
    • Eurosprinter
    • Images
    • Krauss-maffei
    • Series
    • Locomotives
    • Ac
    • Caf
  • electric locomotives
    • Siemens
    • Images
    • Krauss-maffei
    • Series
    • Renfe
    • Caf
    • Com
    • Www
    • High
    • Gauge
    • Lines
    • Locomotives
  • caf
    • Krauss-maffei
    • Meinfesa
    • Series
    • Electric
    • Class
    • Construction
    • Siemens
    • Renfe
    • Also
    • Ave
    • Build
    • Design
  • krauss-maffei
    • Series
    • Construction
    • Siemens
    • Also
    • Ave
    • Build
    • Design
    • Images
    • Line
    • Livery
    • Madrid
    • Meinfesa
  • renfe
    • Electric
    • Siemens
    • Build
    • Images
    • Krauss-maffei
    • Locomotives
    • Series
    • Ac
    • Caf
    • High
    • Kv
    • Spanish
  • ave madrid–seville
    • Line
    • Madrid
    • Seville
    • Speed
    • Construction
    • High
    • Iberian
    • Also
    • Build
    • Design
    • Images
    • Krauss-maffei
  • high speed
    • Iberian
    • Speed
    • Line
    • Livery
    • Images
    • Madrid
    • Seville
    • Standard
    • Units
    • Gauge
    • Lines
    • Construction

Connections between topic areas Semantic bridges

For Renfe Class 252, one of the stronger structural bridges in this analysis connects Renfe Class 252 with Background, design, construction and history. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Renfe Class 252Background, design, construction and history · splits 11 ⟂ 15
Renfe Class 252Overview · splits 16 ⟂ 10

Map overview Semantic statistics

Renfe Class 252

Nodes26
Edges25
Triples19
Avg. degree1.92
Density0.076923
Components1

Source & methodology

TTTA analyzes the structure around Renfe Class 252 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Measurement & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Renfe Class 252 · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.