Yokogawa SEC402-21 Bus Coupler Module

Release time	Aug 21, 2026
Brand	Yokogawa Electric
Product Numbe	SEC402-21
Country Of Origin	Japan
Dimensions	130 x 129.5 x 32.8 mm
Weight	0.24 kg
Condition	New & In Stock
Payment Methods	T/T, PayPal, Western Union
Lead Time	1-3 Working Days
Warranty	One Year
Courier partners	DHL, UPS, TNT, FedEx and EMS.

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Overview

The Yokogawa SEC402-21 is a bus coupler module designed for industrial control and process automation systems. It provides an interface between the control network and connected field or I/O modules, supporting reliable data exchange and efficient system integration.

General Information

Part Number: SEC402-21

Manufacturer: Yokogawa

Brand: Yokogawa

Country of Origin: Japan

Module Type: Bus Coupler Module

Application: Industrial control and process automation

Installation: Control system chassis or DIN rail assembly

System Role: Network and I/O bus coupling

Function: Connects the control network with compatible field or I/O modules

Power Specifications

Power Supply: Supplied through the connected control system

Input: System power supply

Output: Power distribution to connected bus components where supported

Power Consumption: Dependent on system configuration

Protection: Designed for reliable industrial operation

Status Indication: Power and operating status monitoring

Communication & Interface

Network Interface: Control network connection

Bus Interface: Dedicated bus interface for connected modules

Controller Interface: Compatible Yokogawa control system

Data Communication: Transfers control and I/O data between network and field modules

Diagnostics: Supports communication and module status monitoring

Environmental

Operating Temperature: Suitable for industrial control environments

Storage Temperature: Suitable for standard industrial storage conditions

Humidity: Suitable for typical industrial environments, non-condensing

Installation Environment: Indoor industrial control cabinets and protected enclosures

Protection Rating: Designed for installation within a protected control system

Dimensions & Weight

Dimensions (L × W × H): 130 × 129.5 × 32.8 mm

Weight: 0.24 kg

Reliable Connectivity for Demanding Automation Systems!

QDo you provide technical support or installation services?

A Yes, we offertechnical supportfor installation, configuration, and troubleshooting.

QCan I return products if they don’t meet my requirements?

A Returns are accepted within30 daysif the product is unused, unopened, and in its original packaging. Return shipping costs are the buyer's responsibility.

QHow can I ensure compatibility with my existing systems?

A If unsure, please provide yoursystem details, and our support team will verify compatibility before purchase.

QAre there discounts for new wholesale customers?

A We occasionally offerpromotional discountsfor new wholesale customers. Contact us for current offers.

QCan I purchase different quantities of a product?

A Yes, we offerflexible ordering options, whether you need a single unit or a large batch.

QWhat payment methods do you accept for wholesale orders?

A We accept various methods, includingbank transfers (T/T), letters of credit (L/C), and more upon agreement.

QCan I get discounts for bulk purchases?

A Yes, we offercompetitive pricingfor bulk purchases. Contact our sales team for a custom quote.

QWhat is the minimum order quantity (MOQ)?

A The MOQ is usuallyone unit. For bulk orders, please contact us for discounts and pricing details.

QHow long does shipping take?

A Shipping times vary by location. With our16 global warehouses, we strive for fast delivery. Contact us for an estimated delivery time.

QHow can I verify the product before purchasing?

A We can provide high-resolution product images upon request, and our team can arrange warehouse photos for verification.

QDoes this product come with a warranty?

A Yes, we provide a1-year warrantyand support returns and exchanges to protect your rights.

Company Information
E-mail		[email protected]
Mobile		+8613620394314
Whatsapp		+8613620394314
WeChat		+8613620394314
Add		Room 1102, Jiuzhou Commercial Building, Siming District, Xiamen, China

Warranty Conditions

At Qunlebu Co., Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.

🛡️Coverage Details:

This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.

📝Claim Process:

To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.

🚚Shipping Assistance:

We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.

🚫Exclusions:

Unauthorized modifications, repairs, or misuse of the product.

Normal wear and tear.

Negligence.

Extreme environmental conditions beyond product specifications.

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