We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

EATON Contact Block: 30 mm Panel Mounting Size, 1NO/1NC - Contact Blocks
EATONContact Blocks

EATON Contact Block: 30 mm Panel Mounting Size, 1NO/1NC

The EATON Contact Block (SKU 39R375, MPN 10250TD21H) is a 30 mm panel mounting size contact block with a 1NO/1NC configuration. It features a momentary/break before make switch action and screw clamp terminals. This…

SKU 3G-OTH-33971

Brand
EATON
Item
Contact Block: 30 mm Panel Mounting Size, 1NO/1NC
Category
Contact Blocks
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

EATON
Manufacturer Part Number
10250TD21H
Type
1NO/1NC, Momentary/Break Before Make
Switch Action
Momentary/Break Before Make
Compatible with Series
E34
Terminal Connection Type
Screw Clamp Terminals
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

EATON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EATON Contact Block (SKU 39R375, MPN 10250TD21H) is a 30 mm panel mounting size contact block with a 1NO/1NC configuration. It features a momentary/break before make switch action and screw clamp terminals. This component is compatible with the EATON E34 series.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON contact blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
EATON Contact Block: 30 mm Panel Mounting Size, 1NO/1NC, Momentary/Break Before Make (MPN 10250TD31H). Key specifications — Switch Action: Momentary/Break Before Make; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NO/1NC, Momentary/Break Before Make (MPN 10250TD31H). Key specifications — Switch Action: Momentary/Break Before Make; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON Contact Block: 30 mm Panel Mounting Size, 2NO/2NC, Momentary/Break Before Make (MPN 10250TD21H1H). Key specifications — Switch Action: Momentary/Break Before Make; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 2NO/2NC, Momentary/Break Before Make (MPN 10250TD21H1H). Key specifications — Switch Action: Momentary/Break Before Make; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON Contact Block: 30 mm Panel Mounting Size, 2NO/2NC, Momentary/Break Before Make (MPN 10250TD31H1H). Key specifications — Switch Action: Momentary/Break Before Make; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 2NO/2NC, Momentary/Break Before Make (MPN 10250TD31H1H). Key specifications — Switch Action: Momentary/Break Before Make; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, 10250T/E34 Series (MPN 10250T53E). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, 10250T/E34 Series (MPN 10250T53E). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON Contact Block: 30 mm Panel Mounting Size, 2NO, Momentary, 10250T/E34 Series (MPN 10250T2). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 2NO, Momentary, 10250T/E34 Series (MPN 10250T2). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON Contact Block: 30 mm Panel Mounting Size, 2NO, Momentary, 10250T/E34 Series (MPN 10250T2E). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 2NO, Momentary, 10250T/E34 Series (MPN 10250T2E). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.

More from EATON

View all EATON parts
EATON Contact Block: 30 mm Panel Mounting Size, 1NO Early Close/1NC, Momentary/Make Before Break (MPN 10250T47). Key specifications — Contact Form: 1NO Early Close/1NC; Switch Action: Momentary/Make Before Break; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NO Early Close/1NC, Momentary/Make Before Break (MPN 10250T47). Key specifications — Contact Form: 1NO Early Close/1NC; Switch Action: Momentary/Make Before Break; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON Contact Block: 30 mm Panel Mounting Size, 1NC/1NO, Momentary, 10250T/E34 Series (MPN 10250T1). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NC/1NO, Momentary, 10250T/E34 Series (MPN 10250T1). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, M22/M22M Series (MPN M22-CK10). Key specifications — Switch Action: Momentary; Terminal Connection Type: Spring Cage Terminals; Brand: EATON; Compatible with Series: M22.
EATON
EATON Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, M22/M22M Series (MPN M22-CK10). Key specifications — Switch Action: Momentary; Terminal Connection Type: Spring Cage Terminals; Brand: EATON; Compatible with Series: M22.
EATON Contact Block: 30 mm Panel Mounting Size, 1NC Late Open, Momentary, 10250T/E34 Series (MPN 10250T71). Key specifications — Contact Form: 1NC Late Open; Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NC Late Open, Momentary, 10250T/E34 Series (MPN 10250T71). Key specifications — Contact Form: 1NC Late Open; Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, HT800 Series, Screw Clamp Terminals (MPN HT8A). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: HT800.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, HT800 Series, Screw Clamp Terminals (MPN HT8A). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: HT800.
EATON Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, 10250T/E34 Series (MPN 10250T53). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, 10250T/E34 Series (MPN 10250T53). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON Contact Block: 30 mm Panel Mounting Size, 2NC, Momentary, 10250T/E34 Series (MPN 10250T3). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 2NC, Momentary, 10250T/E34 Series (MPN 10250T3). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: E34.
EATON Contact Block: 30 mm Panel Mounting Size, 1NC/1NO, Momentary, 10250T/E34 Series (MPN 10250T1E). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.
EATON
EATON Contact Block: 30 mm Panel Mounting Size, 1NC/1NO, Momentary, 10250T/E34 Series (MPN 10250T1E). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Clamp Terminals; Brand: EATON; Compatible with Series: 10250T.