Phoenix Contact D-ST 10 Terminal Block End Cover

Technical Overview

Gray PA end cover with UL 94 V0 flammability, operating from -60°C to 110°C, providing secure housing for D-ST 10 DIN rail terminal blocks.

Key Features

Compatible with Phoenix Contact D-ST 10 terminal block series.
Constructed from durable Polyamide (PA) material.
Features a gray (RAL 7042) color.
Flammability rating according to UL 94 V0.
Operates reliably across a wide ambient temperature range of -60 °C to 110 °C.
Complies with fire protection for rail vehicles (DIN EN 45545-2) R22, R23, R24, R26 requirements (HL 1-HL 3).
Ensures secure housing for terminal block connections.

Technical Specification Matrix

Parameter	Value
Material	PA (Polyamide)
Color	Gray (RAL 7042)
Flammability Rating (UL 94)	V0
Operating Temperature Range	-60 °C to 110 °C
Relative Insulation Material Temperature Index (Elec., UL 746 B)	130 °C
Fire Protection for Rail Vehicles (DIN EN 45545-2)	R22, R23, R24, R26 all HL 1 - HL 3
Thickness	2.2 mm
Physical Weight (kg)	0
Dimensions L x W x H (cm)	7.15 x 0.22 x 4.26

Industrial Applications

1. High-Reliability Industrial Control Cabinets

This end cover is ideally suited for use within industrial control cabinets and junction boxes, providing robust insulation and protection for terminal blocks against environmental factors such as dust and accidental contact.

Problem Solved

It prevents electrical short circuits, enhances overall safety, and prolongs the operational life of terminal blocks by effectively sealing exposed ends. Its wide operating temperature range (-60°C to 110°C) and flame retardancy (UL 94 V0) are critical in environments with significant temperature fluctuations and demanding safety standards.

Industrial enclosuresElectrical safetyDust protectionHigh temperature resistanceFlame retardantShort circuit prevention

2. Railway Signaling and Rolling Stock Systems

The product is suitable for deployment in terminal block assemblies within railway signaling equipment or electrical systems of rolling stock, where stringent fire safety and a broad operational temperature range are mandatory.

Problem Solved

Its compliance with critical fire protection standards for rail vehicles (DIN EN 45545-2 HL 1-HL 3) ensures enhanced safety in case of fire. The cover performs reliably across the wide temperature variations (-60°C to 110°C) commonly encountered in railway environments.

Rail transportRolling stockFire safety complianceDIN EN 45545-2Extreme temperature operationRailway signaling equipment

3. Process Automation in Temperature-Varying Environments

Applicable in process automation systems, particularly in settings where terminal blocks are exposed to significant temperature swings but do not necessitate an explicit high IP rating, relying on the end cover for fundamental mechanical and dust protection.

Problem Solved

The end cover provides essential mechanical protection and prevents dust accumulation on exposed terminal block ends in manufacturing facilities or enclosed outdoor cabinets (within specified thermal limits). Its thermal stability (-60°C to 110°C) and material integrity (PA, UL 94 V0) are crucial for maintaining the reliability of control circuits in such varied conditions.

Process controlManufacturing automationDust ingress protectionMechanical integrityThermal stabilityPolyamide durability