CKRB2410 Solid State Relay SPST-NO 10A 24-280V

Part Overview

The CKRB2410 is a Solid State SPST-NO (1 Form A) relay manufactured by Sensata-Crydom, designed for applications requiring switching of AC loads in the 24-280V range at 10A capacity. This component integrates a heat sink for thermal management and operates with zero-cross switching for AC output control. The part is currently in active production with 996 units in stock.

Equivalent and substitute parts are identified based on matching electrical performance parameters: input voltage range, load voltage range, load current capacity, circuit configuration, and output switching characteristics. Substitutes may differ in mounting type, packaging, or manufacturer while maintaining functional compatibility within specified electrical parameters.

Key Parameters

Parameter	CKRB2410 Specification
Manufacturer	Sensata-Crydom
Series	CKR24
Circuit Configuration	SPST-NO (1 Form A)
Output Type	AC, Zero Cross
Input Voltage	90 ~ 280VAC/DC
Load Voltage	24 V ~ 280 V
Load Current	10 A
Mounting Type	DIN Rail
Termination Style	Screw Terminal
Package Type	SSR with Integrated Heat Sink
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the CKRB2410 is determined by the following critical parameters:

Primary Matching Criteria:

Circuit configuration: SPST-NO (1 Form A)
Output type: AC with zero-cross switching
Input voltage range: Must accommodate 90 ~ 280VAC/DC
Load voltage range: Must accommodate 24 V ~ 280 V
Load current capacity: Minimum 10A
Termination style: Screw Terminal

Secondary Considerations:

Mounting type: DIN Rail preferred for form-factor compatibility
Package type: SSR module or SSR with integrated heat sink
Regulatory compliance: ROHS3 or equivalent

The identified substitutes meet these criteria with the following variations:

DR2260A20U (Sensata-Crydom): Exceeds load current specification (20A vs. 10A) and load voltage range (48-600V vs. 24-280V). Input voltage range (90-280VAC/DC) matches. Integrated heat sink package maintains thermal characteristics.

ASR-SV240A10ZY-L (Altran Magnetics, LLC): Matches load current (10A) and load voltage range (24-280V). Input voltage range (90-280VAC) is compatible. Module package type differs from integrated heat sink but maintains DIN Rail mounting.

GNR20BCZH (Crouzet): Exceeds load current specification (20A vs. 10A) and load voltage range (48-660V vs. 24-280V). Input voltage range (80-140VAC) is narrower but covers standard AC supply. Supports both chassis mount and DIN Rail mounting.

Parameter Comparison

Parameter	CKRB2410	DR2260A20U	ASR-SV240A10ZY-L	GNR20BCZH
Manufacturer	Sensata-Crydom	Sensata-Crydom	Altran Magnetics, LLC	Crouzet
Circuit Configuration	SPST-NO (1 Form A)	SPST-NO (1 Form A)	SPST-NO (1 Form A)	SPST-NO (1 Form A)
Output Type	AC, Zero Cross	AC, Zero Cross	AC, Zero Cross	AC, Zero Cross
Input Voltage Range	90 ~ 280VAC/DC	90 ~ 280VAC/DC	90 ~ 280VAC	80 ~ 140VAC
Load Voltage Range	24 V ~ 280 V	48 V ~ 600 V	24 V ~ 280 V	48 V ~ 660 V
Load Current	10 A	20 A	10 A	20 A
Mounting Type	DIN Rail	DIN Rail	DIN Rail	Chassis Mount, DIN Rail
Termination Style	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Active	Active	Active	Active
Inventory	996 Pcs	949 Pcs	690 Pcs	1079 Pcs

Engineering Selection Recommendations

Direct Equivalent (Preferred for Pin-Compatible Replacement): ASR-SV240A10ZY-L matches the CKRB2410 in load current (10A) and load voltage range (24-280V). Both components support DIN Rail mounting with screw terminal termination. This substitute is suitable for applications where the exact electrical specifications of the original part are required. ROHS3 compliance is maintained.

Higher-Capacity Alternatives (For Upgraded Performance): DR2260A20U and GNR20BCZH both provide 20A load current capacity, double that of the CKRB2410. These substitutes are applicable in designs where increased current handling is beneficial or where load voltage ranges exceed 280V. DR2260A20U maintains identical input voltage range (90-280VAC/DC) and is manufactured by the same supplier as the original part. GNR20BCZH supports extended load voltage to 660V but operates with a narrower input voltage range (80-140VAC), limiting its use to standard AC supply applications.

Regulatory Compliance: All identified substitutes maintain active product status and RoHS compliance. DR2260A20U and ASR-SV240A10ZY-L are ROHS3 compliant, matching the original part specification. GNR20BCZH is RoHS compliant. Selection should account for specific regulatory requirements of the end application.

Frequently Asked Questions (FAQ)

Q: Can DR2260A20U replace CKRB2410 in all applications? A: DR2260A20U is electrically compatible with CKRB2410 for applications operating within the 24-280V load range and 90-280VAC/DC input range. The 20A capacity of DR2260A20U exceeds the 10A requirement of CKRB2410, making it suitable for higher-current designs. Both components use identical input voltage specifications and screw terminal termination.

Q: What is the difference between ASR-SV240A10ZY-L and CKRB2410? A: ASR-SV240A10ZY-L and CKRB2410 share identical load current (10A) and load voltage range (24-280V) specifications. The primary difference is the package type: CKRB2410 features an integrated heat sink, while ASR-SV240A10ZY-L is a module package. Both support DIN Rail mounting and screw terminal termination. Input voltage range for ASR-SV240A10ZY-L is 90-280VAC (AC only), while CKRB2410 accepts 90-280VAC/DC.

Q: Is GNR20BCZH suitable for 24V load applications? A: GNR20BCZH has a minimum load voltage specification of 48V, which exceeds the 24V lower limit of CKRB2410. This substitute is not suitable for applications requiring 24V load switching. Use ASR-SV240A10ZY-L or CKRB2410 for 24V load compatibility.

Q: What mounting options are available among the substitutes? A: CKRB2410, DR2260A20U, and ASR-SV240A10ZY-L all support DIN Rail mounting. GNR20BCZH supports both chassis mount and DIN Rail mounting, providing additional flexibility for panel integration.

Q: Are all substitutes ROHS3 compliant? A: CKRB2410, DR2260A20U, and ASR-SV240A10ZY-L are ROHS3 compliant. GNR20BCZH is RoHS compliant but not specifically designated as ROHS3. Verify compliance requirements for your specific application before selection.

Q: Can these relays handle DC input voltage? A: CKRB2410 and DR2260A20U both accept 90-280VAC/DC input, supporting both AC and DC control signals. ASR-SV240A10ZY-L accepts 90-280VAC input only. GNR20BCZH accepts 80-140VAC input only. For DC control applications, use CKRB2410 or DR2260A20U.

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