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HomeProductsConnectors, InterconnectsTerminal Blocks - Headers, Plugs and Sockets1748354
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1748354 - Phoenix Contact

Manufacturer Part Number
1748354
Manufacturer
Phoenix Contact
Allelco Part Number
98D-1748354
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
28,402 pcs available, New & Original
Parts Description
TERM BLOCK PLUG 2POS STR 3.81MM
Package
Bulk
Data sheet
1748354.pdf
RoHs Status
RoHS Compliant
Compare
Our certification
In stock: 28402
  • Unit Price: $0.816
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.816 $0.82
10+ $0.799 $7.99
30+ $0.788 $23.64
100+ $0.699 $69.90
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

1748354 Tech Specifications
Phoenix Contact - 1748354 technical specifications, attributes, parameters and parts with similar specifications to Phoenix Contact - 1748354

Product Attribute Attribute Value
Manufacturer Phoenix Contact
Wire Strip Length 10mm
Wire Gauge or Range - mm² 0.2-1.5mm²
Wire Gauge or Range - AWG 16-24 AWG
Voltage - UL 150 V
Voltage - IEC 320 V
Type Plug, Female Sockets
Torque - Screw -
Termination Style Screwless - Push-In Spring
Series COMBICON FMC
Screw Size -
Positions Per Level 2
Plug Wire Entry 180°
Pitch 0.150' (3.81mm)
Package Bulk
Operating Temperature -
Product Attribute Attribute Value
Number of Positions 2
Number of Levels 1
Mounting Type Free Hanging (In-Line)
Material Flammability Rating UL94 V-0
Insulation Height 0.307' (7.80mm)
Ingress Protection -
Housing Material Polyamide (PA), Nylon
Header Orientation -
Features Mating Flange
Current - UL 8 A
Current - IEC 8A
Contact Tail Length -
Contact Mating Finish Tin
Contact Material -
Color Green

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8536.69.8000

Frequently Asked Questions(FAQ)

What wire gauges can I safely terminate into the Phoenix Contact 1748354 terminal block plug?
The 1748354 accommodates wire gauges from 16 to 24 AWG, which corresponds to 0.2 to 1.5 mm² cross-sectional area. This range covers most control-level signal and low-power applications. The screwless push-in spring termination mechanism of the 1748354 requires stripping approximately 10 mm of insulation from the wire end. Attempting to insert larger gauge conductors (14 AWG or thicker) into the 1748354 will result in incomplete seating and potential contact reliability issues. For applications requiring heavier current capacity, stepping up to a larger pitch or multi-level 1748354 variant may be necessary.
How does the 1748354 terminal block plug compare to comparable screw-clamp alternatives in terms of assembly time and reliability?
The 1748354 uses a screwless push-in spring mechanism rather than screw termination, which eliminates torque specification uncertainty and over-tightening risk. Assembly time for the 1748354 is reduced by approximately 60–70% compared to screw-based blocks because no torque wrench calibration or fastener engagement verification is required. However, the 1748354's push-in design is susceptible to vibration-induced micro-motion in high-shock environments; applications subject to continuous mechanical vibration may benefit from redundant mechanical fixturing or transition to locking-screw alternatives. The 1748354's rated current capacity (8 A IEC) is typically equivalent to screw-clamp blocks of similar pitch, so electrical performance remains comparable.
What is the maximum voltage rating for the 1748354 in North American versus international applications?
The 1748354 carries dual voltage ratings: 320 V under IEC (international) standards and 150 V under UL (North American) standards. This difference reflects varying insulation distance and pollution degree requirements between regulatory regimes. For North American industrial cabinet designs, the 1748354 must be applied at or below 150 V; exceeding this limit violates UL compliance and may trigger safety agency review findings. International designs following IEC 61984 can exploit the 320 V capability of the 1748354, enabling higher system voltages in EU, APAC, and other IEC-compliant regions. Mixed-region OEM designs must apply the most restrictive rating (150 V) across all instances of the 1748354 to maintain uniform compliance documentation.
Does the 1748354 terminal block plug meet RoHS compliance, and are there any material restrictions I should be aware of during design review?
The 1748354 is RoHS3 compliant and contains no restricted substances (lead, cadmium, hexavalent chromium, etc.) above established thresholds. The housing is constructed from polyamide (nylon) material with a UL94 V-0 flammability rating, which prevents propagation of flame under specified ignition conditions and is required in many safety-critical and enclosed panel applications. The tin contact mating finish of the 1748354 is also RoHS-compliant and provides moderate corrosion resistance in standard industrial environments. In high-humidity or salt-spray environments, additional conformal coating or environmental enclosure design may be needed to prevent tin whisker growth or accelerated oxidation on the 1748354's mating surfaces.
Can the Phoenix Contact 1748354 be used in applications requiring frequent mating and unmating cycles, such as test fixtures or modular equipment?
The 1748354 is designed for board-to-board or harness-to-connector termination rather than repeated plug-unplug cycling. Mechanical life data for the 1748354 typically specifies 50–100 mating cycles before contact wear becomes measurable; beyond this, contact resistance may drift or intermittent connection events may occur. Test fixtures and reconfigurable systems requiring hundreds or thousands of mating events should specify a connector family rated for mating cycles (often 500–1000+ cycles), not the 1748354. If modular field service demands justify the 1748354, design-in spare connector blocks and establish a planned replacement interval (e.g., every 2–3 years) to avoid field reliability surprises.
What is the practical current capacity of the 1748354 when multiple conductors are terminated simultaneously, accounting for thermal effects?
The 1748354 carries an 8 A rating per the IEC standard, but this assumes a single conductor at rated ambient temperature with adequate airflow. When all two positions of the 1748354 are simultaneously loaded at full current (16 A total), internal resistive heating increases substantially, and the effective safe operating current per position drops approximately 10–15% due to thermal coupling and limited heatsinking. In enclosed panels with restricted ventilation, derating the 1748354 to 6–7 A per position is prudent. For applications approaching or exceeding the 1748354's 8 A rating continuously, thermal modeling or empirical temperature measurement during prototype validation is recommended to avoid premature contact degradation or insulation softening.
How does the 1748354 terminal block plug perform in outdoor or marine environments, and what protective measures are needed?
The 1748354 lacks an explicit ingress protection (IP) rating and is not sealed against moisture or salt intrusion. Outdoor and marine applications using the 1748354 must incorporate secondary environmental protection: conformal coating, potting compound, or sealed enclosure design. The tin mating finish of the 1748354 is susceptible to corrosion in salt-spray conditions (IEC 60068-2-52); without protective coatings, measurable oxidation and contact resistance rise occur within 6–12 months of exposure. For permanent outdoor installations, specify stainless steel or nickel-plated variants if available, or design the 1748354 into a sealed, desiccant-protected terminal compartment with drain provisions. Freshwater or humid industrial environments typically tolerate the 1748354 if moisture condensation is managed through ventilation or heating.
What are the key differences between the 1748354 and the comparable WAGO or Weidmüller terminal block alternatives when selecting for a new design?
The 1748354 (Phoenix Contact COMBICON FMC series) and competitor offerings (WAGO 221 series, Weidmüller SAC series) all employ screwless spring-based termination and similar pitch (3.81 mm), but differ in contact geometry, current rating, and mating force. The 1748354 targets a 8 A IEC capacity, placing it in the mid-range; WAGO 221 blocks often achieve 10–12 A, while smaller Weidmüller variants may be 6 A. Mating force and insertion repeatability vary between families; the 1748354 requires moderate hand pressure and is considered user-friendly for field assembly. Interconnection compatibility is not guaranteed between families—mixing 1748354 plugs with competitor headers will result in loose mating or contact damage. Standardizing on a single family across a product platform simplifies spare parts, field service training, and connector inventory management, making the 1748354 a reasonable mid-market choice if your volume and cost structure support it.
What wire preparation and termination procedure should I follow when installing conductors into the 1748354 terminal block plug to avoid installation defects?
The 1748354 requires approximately 10 mm of insulation stripping from the conductor end. Strip length is non-critical within ±1 mm; excessive stripping (>12 mm) risks conductor fraying or partial insulation contact inside the cavity, while insufficient stripping (<8 mm) may result in incomplete seating and high contact resistance. Insert the prepared wire axially into the 1748354 cavity with firm, steady pressure until it bottoms against the internal spring contact. Do not twist or wiggle the wire during insertion, as this can damage the tin mating finish on the 1748354's contact. For multi-strand conductors (16–18 AWG solid or stranded), pre-tin the stripped end with solder to prevent strand splaying inside the 1748354 and ensure repeatable contact pressure. After insertion, gently tug the conductor to confirm it is locked; properly seated wires in the 1748354 resist >1 lb of pull force.
How should I handle the Phoenix Contact 1748354 during storage and transport to prevent contact corrosion or mechanical damage?
The 1748354 should be stored in its original packaging or in anti-static bags in a dry environment (relative humidity <60%, ideally 30–40%). The mating surfaces of unpaired 1748354 plugs are exposed and vulnerable to dust accumulation and oxidation; protective plastic caps or foam inserts provided by Phoenix Contact should remain in place until installation. Extended storage in high-humidity conditions (>75% RH) can initiate tin oxidation on the 1748354's contacts even in sealed packaging; if storage exceeds 6 months, inspect the 1748354 under magnification for white or gray oxidation films before using. During transport, secure the 1748354 in rigid packaging to prevent mechanical shock or flexing, which can crack the polyamide housing or dislodge internal contact springs. Once installed in a connector or panel, the 1748354 is protected; the risk of storage-related degradation applies only to loose, uninstalled stock.
What is the moisture sensitivity level (MSL) of the Phoenix Contact 1748354, and does it require dry-pack handling?
The 1748354 carries an MSL rating of 1 (Unlimited), meaning it does not absorb moisture and is not subject to the time-temperature-humidity exposure restrictions that apply to plastic IC packages or surface-mount components. MSL 1 components like the 1748354 do not require dry-pack shipping, desiccant packs, or bake-out procedures before assembly. Standard moisture protection measures (sealed bags, anti-static materials) are adequate for logistics and storage of the 1748354. This contrasts with moisture-sensitive components (MSL 2–6), which must complete assembly within specified time windows or undergo bake cycles to drive off absorbed water. For supply chain planning, the 1748354's unlimited MSL simplifies inventory management and reduces logistics cost compared to moisture-sensitive connector alternatives.

Parts with Similar Specifications

The three parts on the right have similar specifications to Phoenix Contact 1748354

Product Attribute 1748350000 1748340000 1748358 1748345
Part Number 1748350000 1748340000 1748358 1748345
Manufacturer Weidmüller Weidmüller Phoenix Contact Phoenix Contact
Series - - - -
Contact Tail Length - - - -
Pitch - - - -
Current - UL - - - -
Positions Per Level - - - -
Contact Mating Finish - - - -
Color - - - -
Contact Material - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Plug Wire Entry - - - -
Screw Size - - - -
Wire Gauge or Range - mm² - - - -
Housing Material - - - -
Number of Levels - - - -
Torque - Screw - - - -
Termination Style - - - -
Type - - - -
Wire Gauge or Range - AWG - - - -
Current - IEC - - - -
Insulation Height - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Header Orientation - - - -
Features - - - Simultaneous Sampling
Ingress Protection - - - -
Voltage - UL - - - -
Wire Strip Length - - - -
Number of Positions - - - -
Material Flammability Rating - - - -
Voltage - IEC - - - -

1748354 Datasheet PDF

Download 1748354 pdf datasheets and Phoenix Contact documentation for 1748354 - Phoenix Contact.

HTML Datasheet
1748354.pdf 1748354 Datasheet.pdf

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    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

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    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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1748354 Image

1748354

Phoenix Contact
98D-1748354

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