FRM-A  Shock-Safe Fuseholder, 3 x 10 mm, Fingergrip, Screw

Series: FRM-A

Shock-Safe Fuseholder, 3 x 10 mm, Fingergrip, Screw

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  • Screw type fuse carrier

Unique Selling Proposition

  • Very compact size
  • Robust construction for harsh environment
  • High ingress protection rating
  • Qualified for high altitude operation


  • Applications where high reliability and availability is required
  • Avionics
  • Offshore
  • Ground Equipment
  • Industrial appliances

Shock-Safe Category



3 x 10 mm (DRM-A)


Panel mount, Rear Side


Fixing Nut



Rated Voltage

250 VAC/VDC (up to 2'000m a.s.l.), 125VAC/VDC (up to 15'240m a.s.l.)

Rated current

8 A (UL/CSA)

Rated Power Acceptance IEC

1.6 W / 6.3 A @ Ta 23 °C
Admissible current consumption at higher ambient temperature see derating curve

Degree of Protection

IP67 (requires tightening torque of ≥ 80 Ncm for the fixing nut and ≥ 40 Ncm for the fuse carrier)

Protection Class

Suitable for appliances with protection class I acc. to IEC 61140

Admissible Ambient Temp.

-55 °C to 85 °C

Climatic Category

55/085/21 acc. to IEC 60068-1

Material: Socket

Thermoplastic, black, UL 94V-0

Material: Terminals

Tin-Plated Copper

Unit Weight

6.5 g

Storage Conditions

0 °C to 60 °C, max. 70% r.h.

Product Marking

Schurter_Prüfzeichen, Type, Certification marks

Soldering Methods

Soldering Profile


350 °C / 3 sec acc. to IEC 60068-2-20

Resistance to Soldering Heat

350 °C / 5 sec based on IEC 60068-2-20

Contact Resistance

≤ 10 mΩ at 100 mA acc. to IEC 60127-6

Dielectric Strength

> 1.5 kV between live parts
(50 Hz: 1 min)

Impulse Withstand Voltage

> 2.5 kV between live parts

Insulation Resistance

≥ 20 MΩ between live parts
(500 VDC: 1 min)

Overvoltage Category

II acc. to IEC 60664-1

Pollution Degree

2 acc. to IEC 60664-1

Resistance to Vibration

acc. to IEC 60068-2-6, test Fc, (Shock 10 g, 1.5 mm, 10-2000 Hz, 10 cyc.), (NF C 20-706)

Mechanical Shock

acc. to IEC 60068-2-27, (Shock 100 g, half-sine, 2 ms, each direction 3 times)

Mechanical Shock (Bump)

acc. to IEC 60068-2-29, (Shock 40 g, half-sine, 2 ms, 1000 repetition)

Salt Mist

acc. to IEC 60068-2-11, (96 h)

Damp Heat

acc. to IEC 60068-2-78, (40 °C, 93% r.h., 21 days)

Admissible Torque on Fixing Nut

max 600 Ncm

Panel Thickness

1.0 - 2.0 mm

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in  Details about Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF 16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agreements by SCHURTER.


The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.

Approval Reference Type: FRM-A

Approval Logo Certificates Certification Body Description
Approval marks cURus UL UR File Number: E39328

Product standards

Product standards that are referenced

Organization Design Standard Description
Approval marks UL Designed according to UL 4248-1 Industrial Control Equipment
Approval marks CSA_Group Designed according to CSA C22.2 no. 4248.1 Industrial Control Equipment

Application standards

Application standards where the product can be used

Organization Design Standard Description
Approval marks IEC Suitable for applications acc. IEC/UL 62368-1 Audio/video, information and communication technology equipment - Part 1: Safety requirements
Approval marks IEC Suitable for applications acc. IEC 60335-1 Safety of electrical appliances for household and similar purposes. Meets the requirements for appliances in unattended use. This includes the enhanced requirements of glow wire tests acc. to IEC 60695-2-11 or -12 & -13.


The product complies with following Guide Lines

Identification Details Initiator Description
Approval marks CE Selbsteklaration SCHURTER AG The CE marking declares that the product complies with the applicable requirements laid down in the harmonisation of Community legislation on its affixing in accordance with EU Regulation 765/2008.
Approval marks Zulassung_Symbol_UKCA SCHURTER AG The UKCA marking declares that the product complies with the applicable requirements laid down in the British Amendment of Regulation (EC) 765/2008.
Environment_Safety RoHS_Logo_color_CMYK_tif SCHURTER AG Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
Environment_Safety China_RoHS_e_konform_eps SCHURTER AG The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March 2007. It is similar to the EU directive RoHS.
Environment_Safety Halogenfree SCHURTER AG SCHURTER strives to offer our customers halogen free products.
Environment_Safety REACH SCHURTER AG On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.
Environment_Safety Glow_Wire_Proof SCHURTER AG Meets the requirements of IEC 60335-1 for appliances in unattended use. This includes the enhanced requirements of glow wire tests acc. to IEC 60695-2-11 or -12 &-13.


Dimension [mm]

Mounting holes

Derating Curves

Current [A]
Ambient Temperature [°C]

Short Table of Variants FRM-A Open complete table FRM-A

Holder Cap Fuse-Link Order Number A=Most Popular Free Sample Distributor Stock Check ...
Fingergrip 3 x 10 mm 3-133-483 ...

Packaging Unit Bulk 140 x 91 x 71 mm (50 pcs.)


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