GPTCRM01 Equivalent & Substitute Parts

Part Overview

The GPTCRM01 is a snap action switch manufactured by ZF Electronics, configured as a single-pole double-throw (SPDT) device with on-momentary function. This chassis-mounted switch is rated for 15A AC at 125V and features a lever with roller actuator and screw terminal connections. The part is currently active in production with 1,079 units in stock.

Equivalent and substitute parts are necessary when the primary GPTCRM01 becomes unavailable, when design requirements demand alternative actuator types or operating characteristics, or when extended temperature ranges or enhanced ingress protection are required for specific applications.

Key Parameters

Parameter	GPTCRM01 Value
Manufacturer	ZF Electronics
Circuit Configuration	SPDT
Switch Function	On-Momentary
Current Rating (AC)	15A
Voltage Rating (AC)	125V
Actuator Type	Lever, Roller
Mounting Type	Chassis Mount
Termination Style	Screw Terminal
Operating Temperature Range	0°C to 55°C
Mechanical Life	20,000,000 Cycles
RoHS Status	RoHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the GPTCRM01 is determined by the following mandatory parameters:

Primary Compatibility Criteria:

Circuit configuration must be SPDT
Switch function must be On-Momentary
AC current rating must be 15A minimum
AC voltage rating must be 125V
Mounting type must be Chassis Mount
Termination style must be Screw Terminal
Mechanical life must be 20,000,000 cycles minimum

Secondary Compatibility Considerations:

Actuator type may vary (lever roller, lever straight, round pin plunger, simulated roller)
Operating temperature range may exceed the original specification
Ingress protection rating may be enhanced
DC voltage and current ratings are supplementary specifications

Substitute parts are grouped into two categories: Active Status Parts (recommended for new designs) and Obsolete Status Parts (suitable only for replacement in existing applications where supply chain continuity is critical).

Parameter Comparison

Part Number	Manufacturer	Circuit	Current (AC)	Voltage (AC)	Actuator Type	Mounting	Termination	Temp Range	Mech Life	Status	RoHS
GPTCRM01	ZF Electronics	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	0°C to 55°C	20M Cycles	Active	RoHS3
BZ-2RDS-A2-S	Honeywell	SPDT	15A	125V	Round (Pin Plunger)	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Active	RoHS
BZ-2RM22-A2	Honeywell	SPDT	15A	125V	Lever, Straight	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Obsolete	RoHS
BZ-2RW8055516T	Honeywell	SPDT	15A	125V	Lever, Simulated Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Active	RoHS
BZ-2RW822-P4	Honeywell	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Obsolete	RoHS
BZ-2RW822244-A2	Honeywell	SPDT	5A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Active	RoHS
BZ-2RW8225551T	Honeywell	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Active	RoHS
BZ-2RW82276T	Honeywell	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Obsolete	RoHS
BZ-2RW82279-A21	Honeywell	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Obsolete	RoHS
BZ-2RW822T	Honeywell	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Active	RoHS
BZ-3RW822-A2	Honeywell	SPDT	15A	125V	Lever, Roller	Chassis Mount	Screw Terminal	-55°C to 85°C	20M Cycles	Obsolete	RoHS

Engineering Selection Recommendations

Recommended Active Substitutes (Priority Order):

BZ-2RW822T - Honeywell SPDT 15A 125V lever roller switch. Active product status with 1,625 units in stock. Extended operating temperature range (-55°C to 85°C) provides broader environmental compatibility. RoHS compliant with REACH unaffected status. Identical actuator type and electrical ratings to GPTCRM01.
BZ-2RW8225551T - Honeywell SPDT 15A 125V lever roller switch with IP64 ingress protection (dust tight, water resistant). Active status with 874 units available. Extended temperature range and enhanced environmental sealing for applications requiring moisture resistance.
BZ-2RW8055516T - Honeywell SPDT 15A 125V simulated roller lever switch with IP64 ingress protection. Active status with 694 units in stock. Suitable when simulated roller actuator geometry is acceptable and environmental sealing is required.
BZ-2RDS-A2-S - Honeywell SPDT 15A 125V round pin plunger switch. Active status with 762 units available. Alternative actuator type for applications where plunger actuation is preferred. Extended temperature range and steel plunger construction.

Not Recommended for New Designs:

BZ-2RW822244-A2 has reduced current rating (5A AC) and does not meet the 15A requirement of GPTCRM01. Suitable only for lower-current applications.

Obsolete Parts (Replacement Only):

BZ-2RM22-A2, BZ-2RW822-P4, BZ-2RW82276T, BZ-2RW82279-A21, and BZ-3RW822-A2 are obsolete. Use only when replacement of existing installed units is necessary and active alternatives are unavailable.

Frequently Asked Questions (FAQ)

Q: Can BZ-2RW822244-A2 replace GPTCRM01?

A: No. BZ-2RW822244-A2 is rated for 5A AC maximum, while GPTCRM01 requires 15A AC. Current rating is a non-negotiable parameter for switch substitution. This part is suitable only for applications with lower current demands.

Q: What is the difference between lever roller and simulated roller actuators?

A: Both are lever-based actuators with roller contact geometry. Simulated roller actuators (BZ-2RW8055516T) provide similar mechanical characteristics to true roller designs. Both are functionally equivalent for SPDT on-momentary applications at the specified electrical ratings.

Q: Why do Honeywell substitutes have extended temperature ranges?

A: The substitute parts are specified for -55°C to 85°C operation, compared to GPTCRM01's 0°C to 55°C range. Extended temperature capability is a design feature of the Honeywell BZ series and does not affect compatibility. Applications operating within 0°C to 55°C will function identically.

Q: Are obsolete parts acceptable for new equipment designs?

A: No. Obsolete parts should be used only for field replacement of existing GPTCRM01 units when supply is exhausted. For new designs, select from active status alternatives: BZ-2RW822T, BZ-2RW8225551T, BZ-2RW8055516T, or BZ-2RDS-A2-S.

Q: What does IP64 ingress protection mean?

A: IP64 rating indicates dust-tight and water-resistant sealing. Switches with IP64 protection (BZ-2RW8225551T, BZ-2RW8055516T) are suitable for applications with moisture or particulate exposure. Standard switches without IP rating are suitable for dry indoor environments.

Q: Can I use a round pin plunger switch (BZ-2RDS-A2-S) instead of a lever roller?

A: Yes, if the application permits plunger actuation. BZ-2RDS-A2-S meets all electrical and mechanical requirements (SPDT, 15A 125V, 20M cycle life, chassis mount, screw terminal). Verify that the plunger geometry and operating force (368-538gf versus 158gf for GPTCRM01) are compatible with your mechanical design.

Q: What is the significance of RoHS and REACH compliance?

A: RoHS compliance indicates restriction of hazardous substances in manufacturing. REACH unaffected status indicates the part is not subject to REACH chemical regulations. All recommended substitutes are RoHS compliant. REACH status is relevant only for applications in European Union markets.

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