Phoenix Contact D-ST 16 Terminal Block End Cover

Technical Overview

Polyamide end cover for ST series terminal blocks. Features UL 94 V0 flammability rating and -60°C to 110°C operating temperature. Provides insulation.

Key Features

Designed specifically for ST series modular terminal blocks.
Constructed from durable Polyamide (PA) material.
Features a gray color (RAL 7042) for aesthetic and identification purposes.
Achieves a UL 94 V0 flammability rating for enhanced fire safety.
Operates reliably across a wide temperature range from -60 °C to 110 °C.
Complies with comprehensive fire protection standards for rail vehicles (DIN EN 45545-2).
Resistant to static cold application down to -60 °C.

Technical Specification Matrix

Parameter	Value
Product type	End cover
Material	PA
Color	gray (RAL 7042)
Flammability rating according to UL 94	V0
Ambient temperature (operation)	-60 °C ... 110 °C
Ambient temperature (storage/transport)	-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C)
Ambient temperature (assembly)	-5 °C ... 70 °C
Ambient temperature (actuation)	-5 °C ... 70 °C
Permissible humidity (operation)	20 % ... 90 %
Permissible humidity (storage/transport)	30 % ... 70 %
Relative insulation material temperature index (Elec., UL 746 B)	130 °C
Fire protection for rail vehicles (DIN EN 45545-2)	R22, HL 1 - HL 3; R23, HL 1 - HL 3; R24, HL 1 - HL 3; R26, HL 1 - HL 3
Physical Weight (kg)	0
Dimensions L x W x H (cm)	4.36 x 0.22 x 8

Industrial Applications

1. Industrial Control Panel Wiring Protection

The D-ST 16 end cover is essential for completing the insulation and protection of modular ST series terminal blocks used in industrial control panels. Its robust PA material and UL 94 V0 flammability rating ensure safety and compliance in demanding industrial environments, preventing accidental contact with live parts and maintaining overall panel integrity.

Problem Solved

Prevents accidental contact with live terminal block components and enhances electrical safety, particularly in environments where fire resistance is critical.

Modular terminal blocksControl panelElectrical safetyInsulationUL 94 V0Polyamide

2. Terminal Block Insulation in Railway Vehicle Electrical Systems

Given its compliance with fire protection for rail vehicles (DIN EN 45545-2 R22, R23, R24, R26) and broad operating temperature range (-60 °C to 110 °C), this end cover is perfectly suited for electrical systems within railway vehicles. It provides reliable insulation and fire safety for terminal block installations in harsh and safety-critical transport environments.

Problem Solved

Ensures fire safety and operational reliability of electrical connections in rolling stock, adhering to stringent railway standards.

RailwayRolling stockDIN EN 45545-2Fire protectionWide temperature rangeVibration resistance

3. Environmental Protection for Terminal Blocks in Outdoor Enclosures

With a wide operating temperature range from -60 °C to 110 °C and good humidity tolerance (20% to 90% operation), this end cover can provide essential protection and insulation for terminal blocks mounted within outdoor or unconditioned industrial enclosures. It helps maintain the integrity of electrical connections against temperature extremes and varying humidity levels.

Problem Solved

Protects electrical connections within terminal blocks from extreme temperature fluctuations and moderate humidity, extending the lifespan and reliability of systems in challenging environments.

Harsh environmentOutdoor enclosureTemperature resistanceHumidityElectrical insulationIndustrial