Accessories

Part Number	Description / PDF	Quantity
255.3000.0001 Wickmann / Littelfuse	SCREWABLE TERMINAL POST	0
03480007Z Wickmann / Littelfuse	BLACK CAP LOW PROFILE FUSEHOLDER	0
00970036N Wickmann / Littelfuse	FUSE INSERTER	0
00970024Z Wickmann / Littelfuse	PULLER MINI	0
LFPHV2PAK Wickmann / Littelfuse	ACS LFPHV 30A 2P ASSEMBLY KIT TE	13
00250760 Wickmann / Littelfuse	HARNESS WITH SOCKET 7P 24V ISUZU	0
SSH-LARGE Wickmann / Littelfuse	STORAGE SYS HEADER FOR P/N DSPLY	43
0HBF0001ZXCOVER Wickmann / Littelfuse	FUSEHOLDER COVER FOR BF1	0
86126-6 Wickmann / Littelfuse	BUS BAR 6P	0
03540528Z Wickmann / Littelfuse	FUSE TERM LOCK TYPE 5	4250
LRU216R Wickmann / Littelfuse	FUSE REDUCER CLASS R 100 TO 60A	996
0RED0BOXZXNGA Wickmann / Littelfuse	KIT PROFESSIONAL INSTALLER CASE	6
12000100 Wickmann / Littelfuse	HARNESS WITH SOCKET ABS 5P+8P L=	0
LFT60060FBC Wickmann / Littelfuse	600V 60A CLASS T LFT FUSE COVER	1488
1PH12P18MM Wickmann / Littelfuse	BUSBAR 1 PHASE 12 POLE 18X208MM	0
868-958 Wickmann / Littelfuse	#50 CABLE SEAL	0
255.2000.0001 Wickmann / Littelfuse	BATTERY TERMINAL CF 2-POLE	0
30090-2 Wickmann / Littelfuse	BRKT 2P ZN15	0
02400104LXN Wickmann / Littelfuse	DIODE MINI 1A 400V 50 PC	0
00970026XP Wickmann / Littelfuse	ACS MAXIFUSE PULLER CARD	1290

Accessories

1. Overview

Circuit protection device accessories are auxiliary components designed to enhance the functionality, safety, and reliability of electrical circuit protection systems. These accessories include mounting brackets, terminal blocks, indicator modules, and specialized connectors that work in conjunction with primary protection devices such as fuses, circuit breakers, and surge protectors. In modern electrical systems, they play a critical role in preventing equipment damage, reducing downtime, and ensuring compliance with safety standards across industries ranging from consumer electronics to industrial automation.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Fuse Holders	Provide secure mechanical support and electrical connection for fuses	Industrial control panels, power supplies
Circuit Breaker Accessories	Include trip units, auxiliary contacts, and arc suppression modules	Electrical distribution boards, HVAC systems
Surge Protection Modules	Mounting rails and thermal disconnectors for SPD devices	Data centers, telecommunication infrastructure
Terminal Blocks	Modular connectors for wire termination and signal routing	Machinery control cabinets, instrumentation systems
Indicators and Alarms	Visual/audio warning systems for fault detection	Automotive electronics, renewable energy systems

3. Structure and Components

Typical accessories feature a modular design with the following elements:

Enclosure: Flame-retardant thermoplastic (UL94 V-0 rated) for environmental protection
Contact Elements: Copper alloy or phosphor bronze with gold/silver plating for conductivity
Mechanical Fasteners: Zinc-plated steel or stainless steel mounting hardware
Thermal Management: Heat-resistant ceramics or polymer composites in high-current models
Interface Components: Spring-loaded terminals or screw-type connectors (IEC 60998 compliant)

4. Key Technical Specifications

Parameter	Description
Current Rating	0.5A to 630A depending on application (IEC 60898-1 standard)
Voltage Compatibility	24VDC to 1000VAC operational range
Short Circuit Withstand	50kA to 150kA interrupting capacity for industrial-grade models
Operating Temperature	-40 C to +120 C (UL 1449 standard compliance)
IP Rating	IP20 (basic protection) to IP67 (harsh environment models)
Material Flammability	UL94 V-0 or equivalent fire resistance rating

5. Application Fields

Power Distribution: Transformer stations, switchgear cabinets
Industrial Automation: PLC control systems, motor drives
Renewable Energy: Solar inverters, wind turbine control systems
Transportation: Electric vehicle charging stations, railway signaling
Telecommunications: Base transceiver stations, data center UPS systems

6. Leading Manufacturers and Products

Manufacturer	Representative Product
TE Connectivity	Kilovac EV200 power contactor accessories
Eaton	XLP molded case circuit breaker kits
Phoenix Contact	PTFIX-... series terminal blocks
Siemens	3VA molded case circuit breaker accessories
Littelfuse	SPA series surge protection accessories

7. Selection Guidelines

Key considerations for optimal selection:

Electrical Parameters: Match current/voltage ratings with system requirements
Environmental Factors: Consider temperature extremes, humidity, and vibration levels
Compatibility: Ensure mechanical and electrical interface alignment with primary devices
Maintenance Requirements: Choose modular designs for easy replacement in critical systems
Compliance Standards: Verify certifications (UL, CSA, IEC, RoHS) for regulatory compliance

8. Industry Trends Analysis

The market is evolving towards:

Smart Integration: Accessories with IoT-enabled monitoring capabilities (e.g., thermal sensors)
Miniaturization: 30% size reduction in industrial control accessories (2020-2025 CAGR)
Material Innovation: Graphene composites for improved thermal dissipation
Hybrid Solutions: Combined overcurrent + surge protection modules
Sustainability: RoHS-compliant materials and recyclable component design

According to MarketsandMarkets research, the global circuit protection accessories market is projected to grow at 6.8% CAGR through 2027, driven by EV infrastructure and renewable energy system demands.