TE Connectivity Potter & Brumfield Relay 4-1415540-3 Equivalent & Substitute Parts

Part Overview

The TE Connectivity Potter & Brumfield Relay model 4-1415540-3 is a general purpose SPDT (Single Pole Double Throw) relay with a 115VAC coil, rated for 16A switching current at maximum 400VAC. This relay features a DIN rail mounting configuration with screw terminal connections and includes a lighted indicator with socket. The 4-1415540-3 is classified as obsolete, necessitating identification of active equivalent models to maintain system functionality and ensure continued component availability for new installations and field replacements.

Substiute Parts

4-1415540-3

TE Connectivity Potter & Brumfield RelaysIn Stock: 9744-1415540-3 Datasheet

Current PartRFQ

RT3S4S15

TE Connectivity Potter & Brumfield RelaysIn Stock: 1346RT3S4S15 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 4-1415540-3 is based on electrical and mechanical parameter equivalence within the TE Connectivity Potter & Brumfield relay product line. The substitute part RT3S4S15 maintains functional compatibility through identical specifications in the following critical parameters:

• Contact form configuration (SPDT)
• Coil voltage rating (115VAC)
• Contact current rating (16A)
• Maximum switching voltage (400VAC)
• Mounting interface (DIN Rail)
• Termination method (Screw Terminal)
• Coil resistance (8.1 kOhms)
• Contact material composition (Silver Nickel)
• Voltage thresholds for operation and release
• Non-latching coil type
• Included features (Lighted Indicator, Socket)

The RT3S4S15 operates within the same electrical performance envelope and physical form factor, enabling direct functional replacement in applications designed for the 4-1415540-3.

Parameter Comparison

Engineering Selection Recommendations

The RT3S4S15 is the qualified substitute for the obsolete 4-1415540-3 based on the following engineering criteria:

Electrical Equivalence: Both relays maintain identical coil voltage (115VAC), contact form (SPDT), current rating (16A), and switching voltage specifications (400VAC maximum). The coil current differential (7 mA versus 6.6 mA) is within acceptable tolerance and reflects normal manufacturing variation in equivalent designs.

Mechanical Compatibility: Both parts share identical DIN rail mounting and screw terminal termination, enabling direct installation in existing socket and panel configurations without mechanical modification.

Compliance Status: The RT3S4S15 holds active product status with ROHS3 compliance certification, ensuring long-term availability and regulatory alignment. The 4-1415540-3 is obsolete and no longer manufactured.

Operating Parameters: The RT3S4S15 operates within the same voltage thresholds (86.3 VAC must-operate, 17.3 VAC must-release) and maintains identical contact material composition (Silver Nickel). The operating temperature range of the substitute (-20°C to 70°C) covers the upper portion of the main part's range (-40°C to 70°C); applications requiring operation below -20°C require evaluation against specific system requirements.

Regulatory Alignment: Both parts carry identical HTSUS classification (8536.49.0075) and EAR99 ECCN designation. The RT3S4S15 carries REACH Affected status, indicating compliance with chemical substance regulations.

Frequently Asked Questions (FAQ)

Q: Can the RT3S4S15 directly replace the 4-1415540-3 in existing installations?

A: Yes. The RT3S4S15 provides direct functional replacement. Both relays share identical electrical specifications (115VAC coil, 16A SPDT contact form, 400VAC maximum switching voltage), identical mounting interface (DIN rail), and identical termination method (screw terminal). No circuit modifications or mechanical adaptations are required.

Q: What is the difference in coil current between the two relays?

A: The 4-1415540-3 draws 7 mA while the RT3S4S15 draws 6.6 mA. This 0.4 mA difference represents normal manufacturing tolerance in equivalent relay designs and does not affect circuit operation or control logic.

Q: Are there packaging differences between these parts?

A: The 4-1415540-3 is supplied with packaging designation "-" while the RT3S4S15 is supplied in Tube packaging. Both parts include socket and lighted indicator features. Tube packaging is standard for active production relays and does not affect electrical or mechanical performance.

Q: What is the operating temperature difference, and does it matter?

A: The 4-1415540-3 operates from -40°C to 70°C while the RT3S4S15 operates from -20°C to 70°C. The substitute covers the upper 90°C range of the original part. Applications requiring operation below -20°C must be evaluated against specific system environmental requirements.

Q: Why is the 4-1415540-3 marked as obsolete?

A: The 4-1415540-3 has been discontinued by TE Connectivity Potter & Brumfield Relays. The RT3S4S15 represents the active equivalent model within the current product portfolio and is the recommended selection for new designs and field replacements.

Q: Are both relays RoHS compliant?

A: Yes. Both the 4-1415540-3 and RT3S4S15 carry ROHS3 compliance certification, meeting current environmental and hazardous substance restrictions.

Q: What is the difference in REACH status between these parts?

A: The 4-1415540-3 shows REACH status as "Vendor Undefined" while the RT3S4S15 is marked "REACH Affected," indicating confirmed compliance with EU chemical substance regulations. The RT3S4S15 provides documented regulatory alignment for applications subject to REACH requirements.